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74990472029 = 1117834831549
BaseRepresentation
bin100010111010111000…
…1111100101101011101
321011120012210200111222
41011311301330231131
52212040030101104
654241122023125
75263222331534
oct1056561745535
9234505720458
1074990472029
1129892191620
121264a1a7aa5
1370c131b495
1438b571731b
151e3d7d41be
hex1175c7cb5d

74990472029 has 16 divisors (see below), whose sum is σ = 87663643200. Its totient is φ = 63389909760.

The previous prime is 74990472019. The next prime is 74990472043. The reversal of 74990472029 is 92027409947.

It is a cyclic number.

It is not a de Polignac number, because 74990472029 - 24 = 74990472013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74990472019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2400254 + ... + 2431295.

It is an arithmetic number, because the mean of its divisors is an integer number (5478977700).

Almost surely, 274990472029 is an apocalyptic number.

It is an amenable number.

74990472029 is a deficient number, since it is larger than the sum of its proper divisors (12673171171).

74990472029 is a wasteful number, since it uses less digits than its factorization.

74990472029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4831660.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The spelling of 74990472029 in words is "seventy-four billion, nine hundred ninety million, four hundred seventy-two thousand, twenty-nine".

Divisors: 1 11 17 83 187 913 1411 15521 4831549 53147039 82136333 401018567 903499663 4411204237 6817315639 74990472029