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20315122632235 = 537187310925839
BaseRepresentation
bin1001001111001111110111…
…01010110000011000101011
32122221002212211021211220001
410213213323222300120223
510130320332343212420
6111112345525443431
74164501451140124
oct447477352603053
978832784254801
1020315122632235
116522660125802
122341259570577
13b44928197732
145033859c704b
15253699eceb0a
hex1279fbab062b

20315122632235 has 8 divisors (see below), whose sum is σ = 24378214944960. Its totient is φ = 16252052914944.

The previous prime is 20315122632197. The next prime is 20315122632257. The reversal of 20315122632235 is 53223622151302.

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 20315122632235 - 27 = 20315122632107 is a prime.

It is a super-2 number, since 2×203151226322352 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20315122632194 and 20315122632203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3603555 + ... + 7322284.

It is an arithmetic number, because the mean of its divisors is an integer number (3047276868120).

Almost surely, 220315122632235 is an apocalyptic number.

20315122632235 is a deficient number, since it is larger than the sum of its proper divisors (4063092312725).

20315122632235 is a wasteful number, since it uses less digits than its factorization.

20315122632235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11297717.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 20315122632235 its reverse (53223622151302), we get a palindrome (73538744783537).

The spelling of 20315122632235 in words is "twenty trillion, three hundred fifteen billion, one hundred twenty-two million, six hundred thirty-two thousand, two hundred thirty-five".

Divisors: 1 5 371873 1859365 10925839 54629195 4063024526447 20315122632235