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10428720137 = 113137826561
BaseRepresentation
bin10011011011001100…
…11010010000001001
3222220210110212120222
421231212122100021
5132324223021022
64442455355425
7516301441613
oct115546322011
928823425528
1010428720137
114471816880
122030682b75
13ca2776324
1470d081db3
15410846242
hex26d99a409

10428720137 has 16 divisors (see below), whose sum is σ = 12061192704. Its totient is φ = 8926848000.

The previous prime is 10428720097. The next prime is 10428720149. The reversal of 10428720137 is 73102782401.

It is a cyclic number.

It is not a de Polignac number, because 10428720137 - 210 = 10428719113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10428720097 and 10428720106.

It is not an unprimeable number, because it can be changed into a prime (10428720157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400664 + ... + 425897.

It is an arithmetic number, because the mean of its divisors is an integer number (753824544).

Almost surely, 210428720137 is an apocalyptic number.

It is an amenable number.

10428720137 is a deficient number, since it is larger than the sum of its proper divisors (1632472567).

10428720137 is a wasteful number, since it uses less digits than its factorization.

10428720137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826640.

The product of its (nonzero) digits is 18816, while the sum is 35.

The spelling of 10428720137 in words is "ten billion, four hundred twenty-eight million, seven hundred twenty thousand, one hundred thirty-seven".

Divisors: 1 11 31 37 341 407 1147 12617 826561 9092171 25623391 30582757 281857301 336410327 948065467 10428720137