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70770909832 = 23717194195429
BaseRepresentation
bin100000111101001000…
…1100110001010001000
320202200010221201100121
41001322101212022020
52124414323103312
652302310113024
75053524544120
oct1017221461210
9222603851317
1070770909832
1128017374037
121187104b774
13689b08370c
1435d516bc80
151c9313d707
hex107a466288

70770909832 has 128 divisors (see below), whose sum is σ = 173148192000. Its totient is φ = 26383933440.

The previous prime is 70770909793. The next prime is 70770909871. The reversal of 70770909832 is 23890907707.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70770909793) and next prime (70770909871).

It is a self number, because there is not a number n which added to its sum of digits gives 70770909832.

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, 693894 + ... + 789322.

It is an arithmetic number, because the mean of its divisors is an integer number (1352720250).

Almost surely, 270770909832 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 70770909832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86574096000).

70770909832 is an abundant number, since it is smaller than the sum of its proper divisors (102377282168).

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

70770909832 is a wasteful number, since it uses less digits than its factorization.

70770909832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95519 (or 95515 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 52.

The spelling of 70770909832 in words is "seventy billion, seven hundred seventy million, nine hundred nine thousand, eight hundred thirty-two".

Divisors: 1 2 4 7 8 14 17 19 28 34 38 41 56 68 76 82 119 133 136 152 164 238 266 287 323 328 476 532 574 646 697 779 952 1064 1148 1292 1394 1558 2261 2296 2584 2788 3116 4522 4879 5453 5576 6232 9044 9758 10906 13243 18088 19516 21812 26486 39032 43624 52972 92701 95429 105944 185402 190858 370804 381716 668003 741608 763432 1336006 1622293 1813151 2672012 3244586 3626302 3912589 5344024 6489172 7252604 7825178 11356051 12692057 12978344 14505208 15650356 22712102 25384114 27388123 30823567 31300712 45424204 50768228 54776246 61647134 66514013 74339191 90848408 101536456 109552492 123294268 133028026 148678382 215764969 219104984 246588536 266056052 297356764 431529938 465598091 520374337 532112104 594713528 863059876 931196182 1040748674 1263766247 1726119752 1862392364 2081497348 2527532494 3724784728 4162994696 5055064988 8846363729 10110129976 17692727458 35385454916 70770909832