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47238737001381 = 3331263383560297
BaseRepresentation
bin10101011110110101000000…
…01000110111101110100101
320012020222102210200020022000
422233122200020313232211
522142424413133021011
6244245102020155513
712643612640250102
oct1257324010675645
9205228383606260
1047238737001381
1114062921587042
12536b225538b99
132048794713543
14b9451d351aa9
1556dbc4545356
hex2af6a0237ba5

47238737001381 has 64 divisors (see below), whose sum is σ = 72704985661440. Its totient is φ = 30281399026560.

The previous prime is 47238737001371. The next prime is 47238737001413. The reversal of 47238737001381 is 18310073783274.

47238737001381 is a `hidden beast` number, since 4 + 7 + 238 + 7 + 370 + 0 + 1 + 38 + 1 = 666.

It is not a de Polignac number, because 47238737001381 - 29 = 47238737000869 is a prime.

It is a super-2 number, since 2×472387370013812 (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47238737001371) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 84030025 + ... + 84590321.

It is an arithmetic number, because the mean of its divisors is an integer number (1136015400960).

Almost surely, 247238737001381 is an apocalyptic number.

It is an amenable number.

47238737001381 is a deficient number, since it is larger than the sum of its proper divisors (25466248660059).

47238737001381 is a wasteful number, since it uses less digits than its factorization.

47238737001381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560983 (or 560977 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 47238737001381 in words is "forty-seven trillion, two hundred thirty-eight billion, seven hundred thirty-seven million, one thousand, three hundred eighty-one".

Divisors: 1 3 9 27 31 93 263 279 383 789 837 1149 2367 3447 7101 8153 10341 11873 24459 35619 73377 100729 106857 220131 302187 320571 560297 906561 1680891 2719683 3122599 5042673 9367797 15128019 17369207 28103391 52107621 84310173 147358111 156322863 214593751 442074333 468968589 643781253 1326222999 1931343759 3978668997 4568101441 5794031277 6652406281 13704304323 19957218843 41112912969 56438156513 59871656529 123338738907 169314469539 179614969587 507943408617 1523830225851 1749582851903 5248748555709 15746245667127 47238737001381