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1010313421 = 13229339373
BaseRepresentation
bin111100001110000…
…010100011001101
32121102002020110121
4330032002203031
54032120012141
6244130304541
734015344115
oct7416024315
92542066417
101010313421
11479328477
12242428151
1313140b5c0
1498274045
155da6c1d1
hex3c3828cd

1010313421 has 8 divisors (see below), whose sum is σ = 1092784280. Its totient is φ = 928521792.

The previous prime is 1010313389. The next prime is 1010313443. The reversal of 1010313421 is 1243130101.

It can be written as a sum of positive squares in 4 ways, for example, as 57912100 + 952401321 = 7610^2 + 30861^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1010313421 - 25 = 1010313389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010313395 and 1010313404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010313481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166710 + ... + 172663.

It is an arithmetic number, because the mean of its divisors is an integer number (136598035).

Almost surely, 21010313421 is an apocalyptic number.

It is an amenable number.

1010313421 is a deficient number, since it is larger than the sum of its proper divisors (82470859).

1010313421 is a wasteful number, since it uses less digits than its factorization.

1010313421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339615.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1010313421 is about 31785.4278089819. The cubic root of 1010313421 is about 1003.4260557372.

Adding to 1010313421 its reverse (1243130101), we get a palindrome (2253443522).

The spelling of 1010313421 in words is "one billion, ten million, three hundred thirteen thousand, four hundred twenty-one".

Divisors: 1 13 229 2977 339373 4411849 77716417 1010313421