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121701315057038 = 21619215231746287
BaseRepresentation
bin11011101010111111001011…
…101001110001010110001110
3120221220112100220012200021122
4123222333023221301112032
5111422423243123311123
61110500451243000542
734430426016441233
oct3352771351612616
9527815326180248
10121701315057038
113586126866a5a2
1211796644209152
1352ba50043c9b2
14220a5372db78a
15e10ae563abc8
hex6eafcba7158e

121701315057038 has 16 divisors (see below), whose sum is σ = 182673320152320. Its totient is φ = 60810211878456.

The previous prime is 121701315057029. The next prime is 121701315057067. The reversal of 121701315057038 is 830750513107121.

It is a super-2 number, since 2×1217013150570382 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121701315057038.

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, 68818331 + ... + 70564617.

It is an arithmetic number, because the mean of its divisors is an integer number (11417082509520).

Almost surely, 2121701315057038 is an apocalyptic number.

121701315057038 is a deficient number, since it is larger than the sum of its proper divisors (60972005095282).

121701315057038 is a wasteful number, since it uses less digits than its factorization.

121701315057038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769431.

The product of its (nonzero) digits is 176400, while the sum is 44.

The spelling of 121701315057038 in words is "one hundred twenty-one trillion, seven hundred one billion, three hundred fifteen million, fifty-seven thousand, thirty-eight".

Divisors: 1 2 1619 3238 21523 43046 1746287 3492574 34845737 69691474 2827238653 5654477306 37585335101 75170670202 60850657528519 121701315057038