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25004003980920 = 2335347600480403
BaseRepresentation
bin1011010111101101100101…
…10001100111011001111000
310021112100201000202221022120
411223312302301213121320
511234131200004342140
6125102403021521240
75160323346040566
oct553666261473170
9107470630687276
1025004003980920
117a70158437738
122979b3a413220
1310c4b37a61683
146262b36b2a36
152d5628d671d0
hex16bdb2c67678

25004003980920 has 64 divisors (see below), whose sum is σ = 75228185013120. Its totient is φ = 6648519010944.

The previous prime is 25004003980919. The next prime is 25004003980981. The reversal of 25004003980920 is 2908930040052.

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, 300198562 + ... + 300281841.

It is an arithmetic number, because the mean of its divisors is an integer number (1175440390830).

Almost surely, 225004003980920 is an apocalyptic number.

25004003980920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25004003980920 is an abundant number, since it is smaller than the sum of its proper divisors (50224181032200).

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

25004003980920 is a wasteful number, since it uses less digits than its factorization.

25004003980920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600480764 (or 600480760 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 25004003980920 in words is "twenty-five trillion, four billion, three million, nine hundred eighty thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 347 694 1041 1388 1735 2082 2776 3470 4164 5205 6940 8328 10410 13880 20820 41640 600480403 1200960806 1801441209 2401921612 3002402015 3602882418 4803843224 6004804030 7205764836 9007206045 12009608060 14411529672 18014412090 24019216120 36028824180 72057648360 208366699841 416733399682 625100099523 833466799364 1041833499205 1250200199046 1666933598728 2083666998410 2500400398092 3125500497615 4167333996820 5000800796184 6251000995230 8334667993640 12502001990460 25004003980920