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398883455072 = 2571732123981
BaseRepresentation
bin1011100110111110100…
…11101000000001100000
31102010120212121000021222
411303133103220001200
523013403131030242
6503124452434212
740550463265664
oct5633723500140
91363525530258
10398883455072
111441903476a3
1265381318968
132b7cb216a7b
141543db988a4
15a5988955d2
hex5cdf4e8060

398883455072 has 48 divisors (see below), whose sum is σ = 796504381344. Its totient is φ = 196597632000.

The previous prime is 398883455063. The next prime is 398883455221. The reversal of 398883455072 is 270554388893.

It is a junction number, because it is equal to n+sod(n) for n = 398883454996 and 398883455014.

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, 16621322 + ... + 16645302.

It is an arithmetic number, because the mean of its divisors is an integer number (16593841278).

Almost surely, 2398883455072 is an apocalyptic number.

398883455072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

398883455072 is a deficient number, since it is larger than the sum of its proper divisors (397620926272).

398883455072 is a wasteful number, since it uses less digits than its factorization.

398883455072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31383 (or 31375 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 62.

The spelling of 398883455072 in words is "three hundred ninety-eight billion, eight hundred eighty-three million, four hundred fifty-five thousand, seventy-two".

Divisors: 1 2 4 8 16 32 71 142 284 568 1136 2272 7321 14642 23981 29284 47962 58568 95924 117136 191848 234272 383696 519791 767392 1039582 1702651 2079164 3405302 4158328 6810604 8316656 13621208 16633312 27242416 54484832 175564901 351129802 702259604 1404519208 2809038416 5618076832 12465107971 24930215942 49860431884 99720863768 199441727536 398883455072