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10020021192 = 233365970393
BaseRepresentation
bin10010101010011110…
…10110001111001000
3221212022102211001000
421111033112033020
5131010111134232
64334135455000
7503206526526
oct112517261710
927768384030
1010020021192
11428204a255
121b37827460
13c38baa42c
146b0a95316
153d9a1527c
hex2553d63c8

10020021192 has 64 divisors (see below), whose sum is σ = 27876024000. Its totient is φ = 3334891392.

The previous prime is 10020021191. The next prime is 10020021197. The reversal of 10020021192 is 29112002001.

10020021192 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10020021191) 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, 107148 + ... + 177540.

It is an arithmetic number, because the mean of its divisors is an integer number (435562875).

Almost surely, 210020021192 is an apocalyptic number.

10020021192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10020021192 is an abundant number, since it is smaller than the sum of its proper divisors (17856002808).

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

10020021192 is a wasteful number, since it uses less digits than its factorization.

10020021192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71067 (or 71057 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 10020021192 its reverse (29112002001), we get a palindrome (39132023193).

The spelling of 10020021192 in words is "ten billion, twenty million, twenty-one thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 659 1318 1977 2636 3954 5272 5931 7908 11862 15816 17793 23724 35586 47448 70393 71172 140786 142344 211179 281572 422358 563144 633537 844716 1267074 1689432 1900611 2534148 3801222 5068296 7602444 15204888 46388987 92777974 139166961 185555948 278333922 371111896 417500883 556667844 835001766 1113335688 1252502649 1670003532 2505005298 3340007064 5010010596 10020021192