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102032031021 = 3311910904353
BaseRepresentation
bin101111100000110010…
…1010011110100101101
3100202100210021012202220
41133001211103310231
53132430144443041
6114512312305553
710241306645124
oct1370145236455
9322323235686
10102032031021
113a2a9470088
12179363a22b9
1398107c036b
144d1cc96abb
1529c2827d66
hex17c1953d2d

102032031021 has 8 divisors (see below), whose sum is σ = 136086337920. Its totient is φ = 67999539072.

The previous prime is 102032031007. The next prime is 102032031037. The reversal of 102032031021 is 120130230201.

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

It is not a de Polignac number, because 102032031021 - 215 = 102031998253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102032031001) 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, 5442820 + ... + 5461533.

It is an arithmetic number, because the mean of its divisors is an integer number (17010792240).

Almost surely, 2102032031021 is an apocalyptic number.

It is an amenable number.

102032031021 is a deficient number, since it is larger than the sum of its proper divisors (34054306899).

102032031021 is a wasteful number, since it uses less digits than its factorization.

102032031021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10907475.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 102032031021 its reverse (120130230201), we get a palindrome (222162261222).

The spelling of 102032031021 in words is "one hundred two billion, thirty-two million, thirty-one thousand, twenty-one".

Divisors: 1 3 3119 9357 10904353 32713059 34010677007 102032031021