Search a number
-
+
90053126557 = 1091316739371
BaseRepresentation
bin101001111011110010…
…1011010100110011101
322121102221211211001121
41103313211122212131
52433412100022212
6105211515010541
76335412642322
oct1236745324635
9277387754047
1090053126557
1135211707939
1215552739a51
138651b33804
144503daab49
152520d72d07
hex14f795a99d

90053126557 has 16 divisors (see below), whose sum is σ = 91718890560. Its totient is φ = 88404825600.

The previous prime is 90053126539. The next prime is 90053126573. The reversal of 90053126557 is 75562135009.

It is a cyclic number.

It is not a de Polignac number, because 90053126557 - 211 = 90053124509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90053136557) 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, 9605082 + ... + 9614452.

It is an arithmetic number, because the mean of its divisors is an integer number (5732430660).

Almost surely, 290053126557 is an apocalyptic number.

It is an amenable number.

90053126557 is a deficient number, since it is larger than the sum of its proper divisors (1665764003).

90053126557 is a wasteful number, since it uses less digits than its factorization.

90053126557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10284.

The product of its (nonzero) digits is 283500, while the sum is 43.

The spelling of 90053126557 in words is "ninety billion, fifty-three million, one hundred twenty-six thousand, five hundred fifty-seven".

Divisors: 1 109 131 673 9371 14279 73357 88163 1021439 1227601 6306683 9609767 133808509 687428447 826175473 90053126557