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472748743948 = 2213174312436829
BaseRepresentation
bin1101110000100100000…
…01010101110100001100
31200012020200011110200211
412320102001111310030
530221142134301243
61001102222132204
746104104010265
oct6702201256414
91605220143624
10472748743948
11172545383488
1277756721064
13357703a7bb0
1418c49c9996c
15c46d4bbd9d
hex6e12055d0c

472748743948 has 48 divisors (see below), whose sum is σ = 965296997280. Its totient is φ = 200581161984.

The previous prime is 472748743889. The next prime is 472748744047. The reversal of 472748743948 is 849347847274.

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, 6180403 + ... + 6256426.

It is an arithmetic number, because the mean of its divisors is an integer number (20110354110).

Almost surely, 2472748743948 is an apocalyptic number.

It is an amenable number.

472748743948 is an abundant number, since it is smaller than the sum of its proper divisors (492548253332).

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

472748743948 is a wasteful number, since it uses less digits than its factorization.

472748743948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12436906 (or 12436904 counting only the distinct ones).

The product of its digits is 303464448, while the sum is 67.

The spelling of 472748743948 in words is "four hundred seventy-two billion, seven hundred forty-eight million, seven hundred forty-three thousand, nine hundred forty-eight".

Divisors: 1 2 4 13 17 26 34 43 52 68 86 172 221 442 559 731 884 1118 1462 2236 2924 9503 19006 38012 12436829 24873658 49747316 161678777 211426093 323357554 422852186 534783647 646715108 845704372 1069567294 2139134588 2748539209 5497078418 6952187411 9091321999 10994156836 13904374822 18182643998 27808749644 36365287996 118187185987 236374371974 472748743948