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10430856397 = 131655348473
BaseRepresentation
bin10011011011011101…
…00011110011001101
3222220221111101222201
421231232203303031
5132330244401042
64443013241501
7516325550023
oct115556436315
928827441881
1010430856397
114472a45885
122031333291
13ca30437a0
1470d47a713
15410b191b7
hex26dba3ccd

10430856397 has 8 divisors (see below), whose sum is σ = 11234140344. Its totient is φ = 9627702528.

The previous prime is 10430856391. The next prime is 10430856433. The reversal of 10430856397 is 79365803401.

It can be written as a sum of positive squares in 4 ways, for example, as 215913636 + 10214942761 = 14694^2 + 101069^2 .

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 10430856397 - 23 = 10430856389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10430856391) 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, 190953 + ... + 239425.

It is an arithmetic number, because the mean of its divisors is an integer number (1404267543).

Almost surely, 210430856397 is an apocalyptic number.

It is an amenable number.

10430856397 is a deficient number, since it is larger than the sum of its proper divisors (803283947).

10430856397 is a wasteful number, since it uses less digits than its factorization.

10430856397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65039.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 10430856397 in words is "ten billion, four hundred thirty million, eight hundred fifty-six thousand, three hundred ninety-seven".

Divisors: 1 13 16553 48473 215189 630149 802373569 10430856397