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102040225511 = 785371707529
BaseRepresentation
bin101111100001000010…
…0100100011011100111
3100202101100200112111112
41133002010210123213
53132434244204021
6114513204055235
710241436414560
oct1370204443347
9322340615445
10102040225511
113a303057794
121793909451b
1398123cc183
144d1ddcb167
1529c33e5d5b
hex17c21246e7

102040225511 has 8 divisors (see below), whose sum is σ = 116631129120. Its totient is φ = 87452754048.

The previous prime is 102040225501. The next prime is 102040225577. The reversal of 102040225511 is 115522040201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102040225511 is a prime.

It is a super-2 number, since 2×1020402255112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102040225501) 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, 794006 + ... + 913523.

It is an arithmetic number, because the mean of its divisors is an integer number (14578891140).

Almost surely, 2102040225511 is an apocalyptic number.

102040225511 is a deficient number, since it is larger than the sum of its proper divisors (14590903609).

102040225511 is an equidigital number, since it uses as much as digits as its factorization.

102040225511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716073.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 102040225511 its reverse (115522040201), we get a palindrome (217562265712).

The spelling of 102040225511 in words is "one hundred two billion, forty million, two hundred twenty-five thousand, five hundred eleven".

Divisors: 1 7 8537 59759 1707529 11952703 14577175073 102040225511