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74999971000018 = 2199253387743693
BaseRepresentation
bin10001000011011001001010…
…101000010010111011010010
3100211112221000221011112201101
4101003121022220102323102
534312244420034000033
6423302302214255014
721540366124633141
oct2103311250227322
9324487027145641
1074999971000018
1121996344425559
1284b35b665746a
1332b060ba861cc
14147403741d758
158a0dc48d997d
hex44364aa12ed2

74999971000018 has 16 divisors (see below), whose sum is σ = 113065881163200. Its totient is φ = 37311345940176.

The previous prime is 74999970999953. The next prime is 74999971000021. The reversal of 74999971000018 is 81000017999947.

It is a super-3 number, since 3×749999710000183 (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100476180 + ... + 101219872.

It is an arithmetic number, because the mean of its divisors is an integer number (7066617572700).

Almost surely, 274999971000018 is an apocalyptic number.

74999971000018 is a deficient number, since it is larger than the sum of its proper divisors (38065910163182).

74999971000018 is a wasteful number, since it uses less digits than its factorization.

74999971000018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997281.

The product of its (nonzero) digits is 10287648, while the sum is 64.

The spelling of 74999971000018 in words is "seventy-four trillion, nine hundred ninety-nine billion, nine hundred seventy-one million, eighteen", and thus it is an aban number.

Divisors: 1 2 199 398 253387 506774 743693 1487386 50424013 100848026 147994907 295989814 188442138191 376884276382 37499985500009 74999971000018