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70937164032 = 283765920023
BaseRepresentation
bin100001000010000101…
…1110011100100000000
320210002201210022020120
41002010023303210000
52130234403222112
652331005340240
75060613642210
oct1020413634400
9223081708216
1070937164032
11280a21a82a9
12118b8867680
1368c6653a97
14360d288240
151ca2a2de8c
hex10842f3900

70937164032 has 144 divisors (see below), whose sum is σ = 216105415680. Its totient is φ = 20235995136.

The previous prime is 70937164009. The next prime is 70937164033. The reversal of 70937164032 is 23046173907.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (70937164033) 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, 3532773 + ... + 3552795.

Almost surely, 270937164032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70937164032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108052707840).

70937164032 is an abundant number, since it is smaller than the sum of its proper divisors (145168251648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70937164032 is a wasteful number, since it uses less digits than its factorization.

70937164032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20708 (or 20694 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 42.

The spelling of 70937164032 in words is "seventy billion, nine hundred thirty-seven million, one hundred sixty-four thousand, thirty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 256 336 384 448 659 672 768 896 1318 1344 1792 1977 2636 2688 3954 4613 5272 5376 7908 9226 10544 13839 15816 18452 20023 21088 27678 31632 36904 40046 42176 55356 60069 63264 73808 80092 84352 110712 120138 126528 140161 147616 160184 168704 221424 240276 253056 280322 295232 320368 420483 442848 480552 506112 560644 590464 640736 840966 885696 961104 1121288 1180928 1281472 1681932 1771392 1922208 2242576 2562944 3363864 3542784 3844416 4485152 5125888 6727728 7688832 8970304 13195157 13455456 15377664 17940608 26390314 26910912 35881216 39585471 52780628 53821824 79170942 92366099 105561256 107643648 158341884 184732198 211122512 277098297 316683768 369464396 422245024 554196594 633367536 738928792 844490048 1108393188 1266735072 1477857584 1688980096 2216786376 2533470144 2955715168 3377960192 4433572752 5066940288 5911430336 8867145504 10133880576 11822860672 17734291008 23645721344 35468582016 70937164032