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90738071435 = 51129127744549
BaseRepresentation
bin101010010000001101…
…0010001011110001011
322200012200200121210102
41110200122101132023
52441312421241220
6105403503440015
76361400611214
oct1244032213613
9280180617712
1090738071435
1135533304090
1215703bb600b
138730a0143b
14456ad4640b
15256106e775
hex152069178b

90738071435 has 32 divisors (see below), whose sum is σ = 122979384000. Its totient is φ = 63664437760.

The previous prime is 90738071429. The next prime is 90738071461. The reversal of 90738071435 is 53417083709.

It is not a de Polignac number, because 90738071435 - 24 = 90738071419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90738071435.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2014541 + ... + 2059089.

It is an arithmetic number, because the mean of its divisors is an integer number (3843105750).

Almost surely, 290738071435 is an apocalyptic number.

90738071435 is a deficient number, since it is larger than the sum of its proper divisors (32241312565).

90738071435 is a wasteful number, since it uses less digits than its factorization.

90738071435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45871.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 90738071435 in words is "ninety billion, seven hundred thirty-eight million, seventy-one thousand, four hundred thirty-five".

Divisors: 1 5 11 29 55 145 319 1277 1595 6385 14047 37033 44549 70235 185165 222745 407363 490039 1291921 2036815 2450195 6459605 14211131 56889073 71055655 284445365 625779803 1649783117 3128899015 8248915585 18147614287 90738071435