Search a number
-
+
90038555042 = 21910126987211
BaseRepresentation
bin101001111011010110…
…1110101000110100010
322121101221102111200212
41103312231311012202
52433344332230132
6105210234414122
76335145042632
oct1236655650642
9277357374625
1090038555042
1135204465067
1215549891342
13864bb01207
1445020966c2
15251e9455b2
hex14f6b751a2

90038555042 has 32 divisors (see below), whose sum is σ = 144109108800. Its totient is φ = 42070104000.

The previous prime is 90038555041. The next prime is 90038555053. The reversal of 90038555042 is 24055583009.

It is not an unprimeable number, because it can be changed into a prime (90038555041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 988817 + ... + 1076027.

It is an arithmetic number, because the mean of its divisors is an integer number (4503409650).

Almost surely, 290038555042 is an apocalyptic number.

90038555042 is a deficient number, since it is larger than the sum of its proper divisors (54070553758).

90038555042 is a wasteful number, since it uses less digits than its factorization.

90038555042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87602.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 90038555042 in words is "ninety billion, thirty-eight million, five hundred fifty-five thousand, forty-two".

Divisors: 1 2 19 38 101 202 269 538 1919 3838 5111 10222 27169 54338 87211 174422 516211 1032422 1657009 3314018 8808311 17616622 23459759 46919518 167357909 334715818 445735421 891470842 2369435659 4738871318 45019277521 90038555042