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161070695418 = 2319431092511201
BaseRepresentation
bin1001011000000010001…
…1111100001111111010
3120101202021221002222210
42112000203330033322
510114333044223133
6201554515555550
714431324215123
oct2260043741772
9511667832883
10161070695418
1162345232506
12272722bbbb6
131225c029cc9
147b1dbc504a
1542ca985763
hex25808fc3fa

161070695418 has 128 divisors (see below), whose sum is σ = 351853286400. Its totient is φ = 48988800000.

The previous prime is 161070695417. The next prime is 161070695449. The reversal of 161070695418 is 814596070161.

It is a happy number.

161070695418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (161070695411) 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 63 ways as a sum of consecutive naturals, for example, 134113218 + ... + 134114418.

It is an arithmetic number, because the mean of its divisors is an integer number (2748853800).

Almost surely, 2161070695418 is an apocalyptic number.

161070695418 is an abundant number, since it is smaller than the sum of its proper divisors (190782590982).

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

161070695418 is a wasteful number, since it uses less digits than its factorization.

161070695418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628.

The product of its (nonzero) digits is 362880, while the sum is 48.

The spelling of 161070695418 in words is "one hundred sixty-one billion, seventy million, six hundred ninety-five thousand, four hundred eighteen".

Divisors: 1 2 3 6 19 38 43 57 86 109 114 129 218 251 258 327 502 654 753 817 1201 1506 1634 2071 2402 2451 3603 4142 4687 4769 4902 6213 7206 9374 9538 10793 12426 14061 14307 21586 22819 27359 28122 28614 32379 45638 51643 54718 64758 68457 82077 89053 103286 130909 136914 154929 164154 178106 205067 261818 267159 301451 309858 392727 410134 519821 534318 602902 615201 785454 904353 981217 1039642 1176437 1230402 1559463 1808706 1962434 2352874 2487271 2943651 3118926 3529311 4974542 5629087 5727569 5887302 7058622 7461813 11258174 11455138 12962393 14923626 16887261 17182707 22352303 25924786 32858159 33774522 34365414 38887179 44704606 65716318 67056909 77774358 98574477 106952653 134113818 197148954 213905306 246285467 320857959 492570934 624305021 641715918 738856401 1248610042 1412900837 1477712802 1872915063 2825801674 3745830126 4238702511 8477405022 26845115903 53690231806 80535347709 161070695418