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2512974420 = 22325111269179
BaseRepresentation
bin1001010111001000…
…1111001001010100
320111010121022211200
42111302033021110
520121310140140
61053205432500
7116162634015
oct22562171124
96433538750
102512974420
11107a565970
125a170b730
13310822b18
1419ba6b00c
15ea940030
hex95c8f254

2512974420 has 72 divisors (see below), whose sum is σ = 8315667360. Its totient is φ = 609205440.

The previous prime is 2512974413. The next prime is 2512974461. The reversal of 2512974420 is 244792152.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 632610 + ... + 636569.

It is an arithmetic number, because the mean of its divisors is an integer number (115495380).

Almost surely, 22512974420 is an apocalyptic number.

2512974420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2512974420 is an abundant number, since it is smaller than the sum of its proper divisors (5802692940).

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

2512974420 is a wasteful number, since it uses less digits than its factorization.

2512974420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269205 (or 1269200 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 2512974420 is about 50129.5762998252. The cubic root of 2512974420 is about 1359.5526246214.

The spelling of 2512974420 in words is "two billion, five hundred twelve million, nine hundred seventy-four thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 330 396 495 660 990 1980 1269179 2538358 3807537 5076716 6345895 7615074 11422611 12691790 13960969 15230148 19037685 22845222 25383580 27921938 38075370 41882907 45690444 55843876 57113055 69804845 76150740 83765814 114226110 125648721 139609690 167531628 209414535 228452220 251297442 279219380 418829070 502594884 628243605 837658140 1256487210 2512974420