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1213102424 = 231937415261
BaseRepresentation
bin100100001001110…
…0111100101011000
310010112122222200102
41020103213211120
54441023234144
6320212554532
742030125522
oct11023474530
93115588612
101213102424
11572845896
1229a322a48
131644311b1
14b7180a12
1571777b4e
hex484e7958

1213102424 has 64 divisors (see below), whose sum is σ = 2519445600. Its totient is φ = 545356800.

The previous prime is 1213102411. The next prime is 1213102459. The reversal of 1213102424 is 4242013121.

It is a super-2 number, since 2×12131024242 = 2943234982229351552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1213102396 and 1213102405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227954 + ... + 233214.

Almost surely, 21213102424 is an apocalyptic number.

It is an amenable number.

1213102424 is an abundant number, since it is smaller than the sum of its proper divisors (1306343176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213102424 is a wasteful number, since it uses less digits than its factorization.

1213102424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5364 (or 5360 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1213102424 is about 34829.6199232779. The cubic root of 1213102424 is about 1066.5121895217.

Adding to 1213102424 its reverse (4242013121), we get a palindrome (5455115545).

The spelling of 1213102424 in words is "one billion, two hundred thirteen million, one hundred two thousand, four hundred twenty-four".

Divisors: 1 2 4 8 19 37 38 41 74 76 82 148 152 164 296 328 703 779 1406 1517 1558 2812 3034 3116 5261 5624 6068 6232 10522 12136 21044 28823 42088 57646 99959 115292 194657 199918 215701 230584 389314 399836 431402 778628 799672 862804 1557256 1725608 3698483 4098319 7396966 7980937 8196638 14793932 15961874 16393276 29587864 31923748 32786552 63847496 151637803 303275606 606551212 1213102424