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10172058864 = 2431122784869
BaseRepresentation
bin10010111100100110…
…10100110011110000
3222020220112010111220
421132103110303300
5131313021340424
64401210305040
7510034034202
oct113623246360
928226463456
1010172058864
11434a953420
121b7a728180
13c61540956
146c6d50772
153e8048579
hex25e4d4cf0

10172058864 has 80 divisors (see below), whose sum is σ = 28793335680. Its totient is φ = 3068826880.

The previous prime is 10172058863. The next prime is 10172058901. The reversal of 10172058864 is 46885027101.

10172058864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10172058863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77422 + ... + 162290.

It is an arithmetic number, because the mean of its divisors is an integer number (359916696).

Almost surely, 210172058864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10172058864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14396667840).

10172058864 is an abundant number, since it is smaller than the sum of its proper divisors (18621276816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10172058864 is a wasteful number, since it uses less digits than its factorization.

10172058864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85118 (or 85112 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 42.

The spelling of 10172058864 in words is "ten billion, one hundred seventy-two million, fifty-eight thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 227 264 454 528 681 908 1362 1816 2497 2724 3632 4994 5448 7491 9988 10896 14982 19976 29964 39952 59928 84869 119856 169738 254607 339476 509214 678952 933559 1018428 1357904 1867118 2036856 2800677 3734236 4073712 5601354 7468472 11202708 14936944 19265263 22405416 38530526 44810832 57795789 77061052 115591578 154122104 211917893 231183156 308244208 423835786 462366312 635753679 847671572 924732624 1271507358 1695343144 2543014716 3390686288 5086029432 10172058864