Search a number
-
+
12571026072 = 23311411161403
BaseRepresentation
bin10111011010100101…
…01010001010011000
31012110002121021212020
423231102222022120
5201221140313242
65435224414440
7623343646533
oct135522521230
935402537766
1012571026072
11537101aa50
12252a017420
131254557487
148737c1a1a
154d89686ec
hex2ed4aa298

12571026072 has 64 divisors (see below), whose sum is σ = 35120856960. Its totient is φ = 3716486400.

The previous prime is 12571026047. The next prime is 12571026133. The reversal of 12571026072 is 27062017521.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 569878 + ... + 591525.

It is an arithmetic number, because the mean of its divisors is an integer number (548763390).

Almost surely, 212571026072 is an apocalyptic number.

12571026072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12571026072 is an abundant number, since it is smaller than the sum of its proper divisors (22549830888).

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

12571026072 is a wasteful number, since it uses less digits than its factorization.

12571026072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161464 (or 1161460 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The spelling of 12571026072 in words is "twelve billion, five hundred seventy-one million, twenty-six thousand, seventy-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 41 44 66 82 88 123 132 164 246 264 328 451 492 902 984 1353 1804 2706 3608 5412 10824 1161403 2322806 3484209 4645612 6968418 9291224 12775433 13936836 25550866 27873672 38326299 47617523 51101732 76652598 95235046 102203464 142852569 153305196 190470092 285705138 306610392 380940184 523792753 571410276 1047585506 1142820552 1571378259 2095171012 3142756518 4190342024 6285513036 12571026072