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142355024404663 = 7214350120245187
BaseRepresentation
bin100000010111100010011100…
…101010010110000010110111
3200200001000012102010210101211
4200113202130222112002313
5122124321042221422123
61222432555001102251
741661545132322400
oct4027423452260267
9620030172123354
10142355024404663
11413a44770a7a24
1213b71435787987
1361580377681a5
14272203ca249a7
15116ceaa69540d
hex81789ca960b7

142355024404663 has 12 divisors (see below), whose sum is σ = 165597823197432. Its totient is φ = 122017736022000.

The previous prime is 142355024404603. The next prime is 142355024404783. The reversal of 142355024404663 is 366404420553241.

It is a de Polignac number, because none of the positive numbers 2k-142355024404663 is a prime.

It is a super-2 number, since 2×1423550244046632 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142355024404603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3091045 + ... + 17154142.

It is an arithmetic number, because the mean of its divisors is an integer number (13799818599786).

Almost surely, 2142355024404663 is an apocalyptic number.

142355024404663 is a deficient number, since it is larger than the sum of its proper divisors (23242798792769).

142355024404663 is a wasteful number, since it uses less digits than its factorization.

142355024404663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20388702 (or 20388695 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 49.

The spelling of 142355024404663 in words is "one hundred forty-two trillion, three hundred fifty-five billion, twenty-four million, four hundred four thousand, six hundred sixty-three".

Divisors: 1 7 49 143501 1004507 7031549 20245187 141716309 992014163 2905204579687 20336432057809 142355024404663