Search a number
-
+
145277892516 = 22378715383089
BaseRepresentation
bin1000011101001100111…
…1001011011110100100
3111212222122222121011210
42013103033023132210
54340012120030031
6150423441231420
713332056466021
oct2072317133644
9455878877153
10145277892516
1156680645989
12241a5332570
131091317ac13
14706258a548
153ba426b746
hex21d33cb7a4

145277892516 has 24 divisors (see below), whose sum is σ = 339412497760. Its totient is φ = 48364428672.

The previous prime is 145277892509. The next prime is 145277892547. The reversal of 145277892516 is 615298772541.

It is a super-2 number, since 2×1452778925162 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7682101 + ... + 7700988.

Almost surely, 2145277892516 is an apocalyptic number.

It is an amenable number.

145277892516 is an abundant number, since it is smaller than the sum of its proper divisors (194134605244).

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

145277892516 is a wasteful number, since it uses less digits than its factorization.

145277892516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15383883 (or 15383881 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 57.

The spelling of 145277892516 in words is "one hundred forty-five billion, two hundred seventy-seven million, eight hundred ninety-two thousand, five hundred sixteen".

Divisors: 1 2 3 4 6 12 787 1574 2361 3148 4722 9444 15383089 30766178 46149267 61532356 92298534 184597068 12106491043 24212982086 36319473129 48425964172 72638946258 145277892516