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74191800914 = 2721168823563
BaseRepresentation
bin100010100011000101…
…1010000101001010010
321002111112221222201022
41011012023100221102
52203421100112124
654025551435442
75234353621400
oct1050613205122
9232445858638
1074191800914
1129512379150
1212466825b82
136cc4a1241a
14383b616470
151de3620c5e
hex11462d0a52

74191800914 has 24 divisors (see below), whose sum is σ = 141225953328. Its totient is φ = 28905896040.

The previous prime is 74191800901. The next prime is 74191800937. The reversal of 74191800914 is 41900819147.

It is a happy number.

It is a super-2 number, since 2×741918009142 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34410704 + ... + 34412859.

It is an arithmetic number, because the mean of its divisors is an integer number (5884414722).

Almost surely, 274191800914 is an apocalyptic number.

74191800914 is a deficient number, since it is larger than the sum of its proper divisors (67034152414).

74191800914 is a wasteful number, since it uses less digits than its factorization.

74191800914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68823590 (or 68823583 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 74191800914 in words is "seventy-four billion, one hundred ninety-one million, eight hundred thousand, nine hundred fourteen".

Divisors: 1 2 7 11 14 22 49 77 98 154 539 1078 68823563 137647126 481764941 757059193 963529882 1514118386 3372354587 5299414351 6744709174 10598828702 37095900457 74191800914