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10398472020 = 2232557769289
BaseRepresentation
bin10011010111100110…
…00001011101010100
3222211200120002222100
421223303001131110
5132244002101040
64435455202100
7515453360646
oct115363013524
928750502870
1010398472020
114456736a32
122022516330
13c99415431
1470904a896
1540cd6db30
hex26bcc1754

10398472020 has 36 divisors (see below), whose sum is σ = 31542032340. Its totient is φ = 2772925824.

The previous prime is 10398472013. The next prime is 10398472039. The reversal of 10398472020 is 2027489301.

10398472020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7990214544 + 2408257476 = 89388^2 + 49074^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 28884465 + ... + 28884824.

It is an arithmetic number, because the mean of its divisors is an integer number (876167565).

Almost surely, 210398472020 is an apocalyptic number.

10398472020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10398472020 is an abundant number, since it is smaller than the sum of its proper divisors (21143560320).

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

10398472020 is a wasteful number, since it uses less digits than its factorization.

10398472020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57769304 (or 57769299 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 10398472020 in words is "ten billion, three hundred ninety-eight million, four hundred seventy-two thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 57769289 115538578 173307867 231077156 288846445 346615734 519923601 577692890 693231468 866539335 1039847202 1155385780 1733078670 2079694404 2599618005 3466157340 5199236010 10398472020