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49407122072 = 2371180206367
BaseRepresentation
bin101110000000111001…
…001101101010011000
311201112021012212000002
4232000321031222120
51302141210401242
634410342032132
73366232415450
oct560071155230
9151467185002
1049407122072
1119a5403a0a0
1296aa418648
134874c98a99
142569abcd60
1514427d2432
hexb80e4da98

49407122072 has 32 divisors (see below), whose sum is σ = 115497169920. Its totient is φ = 19249527840.

The previous prime is 49407122003. The next prime is 49407122087. The reversal of 49407122072 is 27022170494.

It is a super-2 number, since 2×494071220722 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 40102568 + ... + 40103799.

It is an arithmetic number, because the mean of its divisors is an integer number (3609286560).

Almost surely, 249407122072 is an apocalyptic number.

It is an amenable number.

49407122072 is an abundant number, since it is smaller than the sum of its proper divisors (66090047848).

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

49407122072 is a wasteful number, since it uses less digits than its factorization.

49407122072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80206391 (or 80206387 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The spelling of 49407122072 in words is "forty-nine billion, four hundred seven million, one hundred twenty-two thousand, seventy-two".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 616 80206367 160412734 320825468 561444569 641650936 882270037 1122889138 1764540074 2245778276 3529080148 4491556552 6175890259 7058160296 12351780518 24703561036 49407122072