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1250007013897 = 232572712812777
BaseRepresentation
bin10010001100001010001…
…110010101101000001001
311102111111010201121212021
4102030022032111220021
5130440003243421042
62354124552244441
7156211224210325
oct22141216255011
94374433647767
101250007013897
1144214140a854
121823149a0721
1390b4b942065
1444701b62985
15227aeeb8867
hex1230a395a09

1250007013897 has 32 divisors (see below), whose sum is σ = 1319414344704. Its totient is φ = 1181963059200.

The previous prime is 1250007013891. The next prime is 1250007013999. The reversal of 1250007013897 is 7983107000521.

It is a cyclic number.

It is not a de Polignac number, because 1250007013897 - 23 = 1250007013889 is a prime.

It is a super-2 number, since 2×12500070138972 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1250007013891) 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, 450127173 + ... + 450129949.

It is an arithmetic number, because the mean of its divisors is an integer number (41231698272).

Almost surely, 21250007013897 is an apocalyptic number.

It is an amenable number.

1250007013897 is a deficient number, since it is larger than the sum of its proper divisors (69407330807).

1250007013897 is a wasteful number, since it uses less digits than its factorization.

1250007013897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3609.

The product of its (nonzero) digits is 105840, while the sum is 43.

The spelling of 1250007013897 in words is "one trillion, two hundred fifty billion, seven million, thirteen thousand, eight hundred ninety-seven".

Divisors: 1 23 257 271 281 2777 5911 6233 6463 63871 69647 72217 76151 713689 752567 780337 1601881 1660991 1751473 16414847 17309041 17947751 19570807 193409719 200546609 211471327 450128561 4448423537 4612572007 4863840521 54348131039 1250007013897