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1013215552 = 2615831493
BaseRepresentation
bin111100011001000…
…111000101000000
32121121112200102221
4330121013011000
54033340344202
6244312420424
734052122126
oct7431070500
92547480387
101013215552
1147aa2a928
122433a7714
13131bb653b
14987cb916
155de42037
hex3c647140

1013215552 has 14 divisors (see below), whose sum is σ = 2010599738. Its totient is φ = 506607744.

The previous prime is 1013215549. The next prime is 1013215559. The reversal of 1013215552 is 2555123101.

It can be written as a sum of positive squares in only one way, i.e., 839608576 + 173606976 = 28976^2 + 13176^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013215559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7915683 + ... + 7915810.

It is an arithmetic number, because the mean of its divisors is an integer number (143614267).

Almost surely, 21013215552 is an apocalyptic number.

It is an amenable number.

1013215552 is a deficient number, since it is larger than the sum of its proper divisors (997384186).

1013215552 is an equidigital number, since it uses as much as digits as its factorization.

1013215552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15831505 (or 15831495 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1013215552 is about 31831.0469824667. The cubic root of 1013215552 is about 1004.3859195864.

Adding to 1013215552 its reverse (2555123101), we get a palindrome (3568338653).

The spelling of 1013215552 in words is "one billion, thirteen million, two hundred fifteen thousand, five hundred fifty-two".

Divisors: 1 2 4 8 16 32 64 15831493 31662986 63325972 126651944 253303888 506607776 1013215552