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10102032331 = 23439218797
BaseRepresentation
bin10010110100010000…
…01100011111001011
3222002000202102011121
421122020030133023
5131142110013311
64350225340111
7505223600206
oct113210143713
928060672147
1010102032331
114314374456
121b5b197637
13c4cb93031
146bb92293d
153e1d14b71
hex25a20c7cb

10102032331 has 4 divisors (see below), whose sum is σ = 10541251152. Its totient is φ = 9662813512.

The previous prime is 10102032329. The next prime is 10102032361. The reversal of 10102032331 is 13323020101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10102032331 - 21 = 10102032329 is a prime.

It is a super-2 number, since 2×101020323312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10102032361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219609376 + ... + 219609421.

It is an arithmetic number, because the mean of its divisors is an integer number (2635312788).

Almost surely, 210102032331 is an apocalyptic number.

10102032331 is a deficient number, since it is larger than the sum of its proper divisors (439218821).

10102032331 is an equidigital number, since it uses as much as digits as its factorization.

10102032331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439218820.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 10102032331 its reverse (13323020101), we get a palindrome (23425052432).

The spelling of 10102032331 in words is "ten billion, one hundred two million, thirty-two thousand, three hundred thirty-one".

Divisors: 1 23 439218797 10102032331