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38245954788 = 2233834266617
BaseRepresentation
bin100011100111101000…
…101111010011100100
310122201102111210211000
4203213220233103210
51111311431023123
625323035313300
72522525152236
oct434750572344
9118642453730
1038245954788
11152469319a8
1274b45ab830
1337b68625a2
141bcb658256
15edca09b43
hex8e7a2f4e4

38245954788 has 48 divisors (see below), whose sum is σ = 100350855360. Its totient is φ = 12595050432.

The previous prime is 38245954757. The next prime is 38245954861. The reversal of 38245954788 is 88745954283.

38245954788 is a `hidden beast` number, since 3 + 8 + 2 + 4 + 5 + 9 + 547 + 88 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2124345 + ... + 2142272.

It is an arithmetic number, because the mean of its divisors is an integer number (2090642820).

Almost surely, 238245954788 is an apocalyptic number.

It is an amenable number.

38245954788 is an abundant number, since it is smaller than the sum of its proper divisors (62104900572).

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

38245954788 is a wasteful number, since it uses less digits than its factorization.

38245954788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4266713 (or 4266705 counting only the distinct ones).

The product of its digits is 77414400, while the sum is 63.

The spelling of 38245954788 in words is "thirty-eight billion, two hundred forty-five million, nine hundred fifty-four thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 83 108 166 249 332 498 747 996 1494 2241 2988 4482 8964 4266617 8533234 12799851 17066468 25599702 38399553 51199404 76799106 115198659 153598212 230397318 354129211 460794636 708258422 1062387633 1416516844 2124775266 3187162899 4249550532 6374325798 9561488697 12748651596 19122977394 38245954788