Search a number
-
+
156873318430478 = 2131632331093145349
BaseRepresentation
bin100011101010110011101010…
…011010110111011100001110
3202120102221110021201021000112
4203222303222122313130032
5131030203024004233403
61313350335124000022
745020503033352636
oct4352635232673416
9676387407637015
10156873318430478
1145a91667636401
1215717124b30012
13696c123955c40
142aa49cdb9d6c6
15132097d2ad9d8
hex8eacea6b770e

156873318430478 has 64 divisors (see below), whose sum is σ = 256295720116800. Its totient is φ = 71583996976128.

The previous prime is 156873318430463. The next prime is 156873318430559. The reversal of 156873318430478 is 874034813378651.

156873318430478 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 1079214548 + ... + 1079359896.

It is an arithmetic number, because the mean of its divisors is an integer number (4004620626825).

Almost surely, 2156873318430478 is an apocalyptic number.

156873318430478 is a deficient number, since it is larger than the sum of its proper divisors (99422401686322).

156873318430478 is a wasteful number, since it uses less digits than its factorization.

156873318430478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146853.

The product of its (nonzero) digits is 325140480, while the sum is 68.

The spelling of 156873318430478 in words is "one hundred fifty-six trillion, eight hundred seventy-three billion, three hundred eighteen million, four hundred thirty thousand, four hundred seventy-eight".

Divisors: 1 2 13 26 163 233 326 466 1093 2119 2186 3029 4238 6058 14209 28418 37979 75958 145349 178159 254669 290698 356318 493727 509338 987454 1889537 2316067 3310697 3779074 4632134 6621394 23691887 33866317 41511047 47383774 67732634 83022094 158866457 307994531 317732914 440262121 539643611 615989062 880524242 1079287222 2065263941 4130527882 5520209671 11040419342 25895232491 37015884481 51790464982 71762725723 74031768962 143525451446 336638022383 481206498253 673276044766 962412996506 6033589170403 12067178340806 78436659215239 156873318430478