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70970755423 = 17191297316937
BaseRepresentation
bin100001000011000101…
…1111100100101011111
320210012001222220222011
41002012023330211133
52130322003133143
652334205332051
75061502316251
oct1020613744537
9223161886864
1070970755423
112810a160a87
1211907b67027
1369005b5649
14361390dcd1
151ca5966e9d
hex10862fc95f

70970755423 has 16 divisors (see below), whose sum is σ = 79111300320. Its totient is φ = 63271812096.

The previous prime is 70970755409. The next prime is 70970755433. The reversal of 70970755423 is 32455707907.

It is a cyclic number.

It is not a de Polignac number, because 70970755423 - 229 = 70433884511 is a prime.

It is a super-2 number, since 2×709707554232 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70970755433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4181811 + ... + 4198747.

It is an arithmetic number, because the mean of its divisors is an integer number (4944456270).

Almost surely, 270970755423 is an apocalyptic number.

70970755423 is a deficient number, since it is larger than the sum of its proper divisors (8140544897).

70970755423 is a wasteful number, since it uses less digits than its factorization.

70970755423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29946.

The product of its (nonzero) digits is 1852200, while the sum is 49.

The spelling of 70970755423 in words is "seventy billion, nine hundred seventy million, seven hundred fifty-five thousand, four hundred twenty-three".

Divisors: 1 17 19 323 12973 16937 220541 246487 287929 321803 4190279 5470651 219723701 3735302917 4174750319 70970755423