Search a number
-
+
151681801818006 = 23310327271089863
BaseRepresentation
bin100010011111010000101011…
…111010101000111110010110
3201220001122020120022012001000
4202133100223322220332112
5124340123312231134011
61254333354025444130
743643435310300645
oct4237205372507626
9656048216265030
10151681801818006
114436a988876319
1215018b48640646
1366836bcca2455
14296561ccad35c
1512808d2299356
hex89f42bea8f96

151681801818006 has 32 divisors (see below), whose sum is σ = 340343201502720. Its totient is φ = 50069720986632.

The previous prime is 151681801817983. The next prime is 151681801818049. The reversal of 151681801818006 is 600818108186151.

151681801818006 is a `hidden beast` number, since 151 + 68 + 180 + 181 + 80 + 0 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13635539370 + ... + 13635550493.

It is an arithmetic number, because the mean of its divisors is an integer number (10635725046960).

Almost surely, 2151681801818006 is an apocalyptic number.

151681801818006 is an abundant number, since it is smaller than the sum of its proper divisors (188661399684714).

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

151681801818006 is a wasteful number, since it uses less digits than its factorization.

151681801818006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27271089977 (or 27271089971 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 54.

The spelling of 151681801818006 in words is "one hundred fifty-one trillion, six hundred eighty-one billion, eight hundred one million, eight hundred eighteen thousand, six".

Divisors: 1 2 3 6 9 18 27 54 103 206 309 618 927 1854 2781 5562 27271089863 54542179726 81813269589 163626539178 245439808767 490879617534 736319426301 1472638852602 2808922255889 5617844511778 8426766767667 16853533535334 25280300303001 50560600606002 75840900909003 151681801818006