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67550631713 = 37531132231367
BaseRepresentation
bin111110111010010101…
…001101011100100001
320110100201102122020122
4332322111031130201
52101320430203323
651010552250025
74610652616145
oct767225153441
9213321378218
1067550631713
1126714630464
12111126a0915
1364a6b64cc6
1433ab5c5225
151b55586ec8
hexfba54d721

67550631713 has 32 divisors (see below), whose sum is σ = 71683024896. Its totient is φ = 63581027328.

The previous prime is 67550631691. The next prime is 67550631719. The reversal of 67550631713 is 31713605576.

It is not a de Polignac number, because 67550631713 - 230 = 66476889889 is a prime.

It is a super-2 number, since 2×675506317132 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67550631719) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49414556 + ... + 49415922.

It is an arithmetic number, because the mean of its divisors is an integer number (2240094528).

Almost surely, 267550631713 is an apocalyptic number.

It is an amenable number.

67550631713 is a deficient number, since it is larger than the sum of its proper divisors (4132393183).

67550631713 is a wasteful number, since it uses less digits than its factorization.

67550631713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793.

The product of its (nonzero) digits is 396900, while the sum is 44.

The spelling of 67550631713 in words is "sixty-seven billion, five hundred fifty million, six hundred thirty-one thousand, seven hundred thirteen".

Divisors: 1 37 53 113 223 1367 1961 4181 5989 8251 11819 25199 50579 72451 154471 221593 304841 437303 932363 1335547 2680687 5715427 8186963 11279117 16156573 34447033 49415239 302917631 597793201 1274540221 1825692749 67550631713