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74507857228 = 2272660994901
BaseRepresentation
bin100010101100100000…
…0111010110101001100
321010022120200022110201
41011121000322311030
52210043002412403
654121201543244
75245242223360
oct1053100726514
9233276608421
1074507857228
1129664819a12
1212534644b24
1370453425ac
14386b5a92a0
151e1125221d
hex115903ad4c

74507857228 has 12 divisors (see below), whose sum is σ = 149015714512. Its totient is φ = 31931938800.

The previous prime is 74507857213. The next prime is 74507857243. The reversal of 74507857228 is 82275870547.

It is an interprime number because it is at equal distance from previous prime (74507857213) and next prime (74507857243).

74507857228 is an admirable number.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1330497423 + ... + 1330497478.

Almost surely, 274507857228 is an apocalyptic number.

It is an amenable number.

74507857228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

74507857228 is a wasteful number, since it uses less digits than its factorization.

74507857228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660994912 (or 2660994910 counting only the distinct ones).

The product of its (nonzero) digits is 8780800, while the sum is 55.

The spelling of 74507857228 in words is "seventy-four billion, five hundred seven million, eight hundred fifty-seven thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 14 28 2660994901 5321989802 10643979604 18626964307 37253928614 74507857228