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2612512940 = 225257508271
BaseRepresentation
bin1001101110110111…
…1100100010101100
320202001220102000112
42123231330202230
520322300403230
61111123115152
7121511664542
oct23355744254
96661812015
102612512940
111120771704
1260ab12ab8
1332833455b
141aad7bd92
15104552d95
hex9bb7c8ac

2612512940 has 24 divisors (see below), whose sum is σ = 5507635392. Its totient is φ = 1040936960.

The previous prime is 2612512933. The next prime is 2612512943. The reversal of 2612512940 is 492152162.

It is a junction number, because it is equal to n+sod(n) for n = 2612512897 and 2612512906.

It is not an unprimeable number, because it can be changed into a prime (2612512943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248996 + ... + 259275.

It is an arithmetic number, because the mean of its divisors is an integer number (229484808).

Almost surely, 22612512940 is an apocalyptic number.

2612512940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2612512940 is an abundant number, since it is smaller than the sum of its proper divisors (2895122452).

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

2612512940 is a wasteful number, since it uses less digits than its factorization.

2612512940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508537 (or 508535 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2612512940 is about 51112.7473337131. The cubic root of 2612512940 is about 1377.2712549312.

The spelling of 2612512940 in words is "two billion, six hundred twelve million, five hundred twelve thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 257 514 1028 1285 2570 5140 508271 1016542 2033084 2541355 5082710 10165420 130625647 261251294 522502588 653128235 1306256470 2612512940