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13957919038490 = 257199398843407
BaseRepresentation
bin1100101100011101010011…
…0011100101110000011010
31211102100211101011121201112
43023013110303211300122
53312141304233212430
645404102434020322
72640266150155430
oct313072463456032
954370741147645
1013957919038490
1144a157a462449
12169517aa176a2
137a32c2a1b41b
143637d176cd50
151931268b0195
hexcb1d4ce5c1a

13957919038490 has 16 divisors (see below), whose sum is σ = 28713433450752. Its totient is φ = 4785572241744.

The previous prime is 13957919038403. The next prime is 13957919038499. The reversal of 13957919038490 is 9483091975931.

13957919038490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×139579190384902 (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13957919038490.

It is not an unprimeable number, because it can be changed into a prime (13957919038499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99699421634 + ... + 99699421773.

It is an arithmetic number, because the mean of its divisors is an integer number (1794589590672).

Almost surely, 213957919038490 is an apocalyptic number.

13957919038490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13957919038490 is an abundant number, since it is smaller than the sum of its proper divisors (14755514412262).

13957919038490 is a wasteful number, since it uses less digits than its factorization.

13957919038490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199398843421.

The product of its (nonzero) digits is 66134880, while the sum is 68.

The spelling of 13957919038490 in words is "thirteen trillion, nine hundred fifty-seven billion, nine hundred nineteen million, thirty-eight thousand, four hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 199398843407 398797686814 996994217035 1395791903849 1993988434070 2791583807698 6978959519245 13957919038490