Search a number
-
+
845096856675890 = 257131948877782341
BaseRepresentation
bin1100000000100111000111000…
…1111100010110011000110010
311002211020110200222111022012112
43000021301301330112120302
51341232031330302112030
612153212045241325322
7343002142632603140
oct30011616174263062
94084213628438175
10845096856675890
11225301622a66aa5
127a949523496842
132a3723a3950350
1410c98c98500590
1567a7d9697ea95
hex3009c71f16632

845096856675890 has 64 divisors (see below), whose sum is σ = 1970752184029440. Its totient is φ = 253382423650560.

The previous prime is 845096856675859. The next prime is 845096856675901. The reversal of 845096856675890 is 98576658690548.

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, 24438873881 + ... + 24438908460.

It is an arithmetic number, because the mean of its divisors is an integer number (30793002875460).

Almost surely, 2845096856675890 is an apocalyptic number.

845096856675890 is an abundant number, since it is smaller than the sum of its proper divisors (1125655327353550).

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

845096856675890 is a wasteful number, since it uses less digits than its factorization.

845096856675890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48877782387.

The product of its (nonzero) digits is 31352832000, while the sum is 86.

The spelling of 845096856675890 in words is "eight hundred forty-five trillion, ninety-six billion, eight hundred fifty-six million, six hundred seventy-five thousand, eight hundred ninety".

Divisors: 1 2 5 7 10 13 14 19 26 35 38 65 70 91 95 130 133 182 190 247 266 455 494 665 910 1235 1330 1729 2470 3458 8645 17290 48877782341 97755564682 244388911705 342144476387 488777823410 635411170433 684288952774 928677864479 1270822340866 1710722381935 1857355728958 3177055852165 3421444763870 4447878193031 4643389322395 6354111704330 6500745051353 8895756386062 9286778644790 12072812238227 13001490102706 22239390965155 24145624476454 32503725256765 44478781930310 60364061191135 65007450513530 84509685667589 120728122382270 169019371335178 422548428337945 845096856675890