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10019274820 = 2254773146011
BaseRepresentation
bin10010101010011001…
…00000000001000100
3221212021000220012121
421111030200001010
5131004413243240
64334111455324
7503200300522
oct112514400104
927767026177
1010019274820
11428168a515
121b37527544
13c389a87a9
146b093d312
153d991904a
hex255320044

10019274820 has 48 divisors (see below), whose sum is σ = 21782654208. Its totient is φ = 3868680960.

The previous prime is 10019274799. The next prime is 10019274823. The reversal of 10019274820 is 2847291001.

It is not an unprimeable number, because it can be changed into a prime (10019274823) 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, 4386 + ... + 141625.

It is an arithmetic number, because the mean of its divisors is an integer number (453805296).

Almost surely, 210019274820 is an apocalyptic number.

10019274820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10019274820 is an abundant number, since it is smaller than the sum of its proper divisors (11763379388).

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

10019274820 is a wasteful number, since it uses less digits than its factorization.

10019274820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146140 (or 146138 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The spelling of 10019274820 in words is "ten billion, nineteen million, two hundred seventy-four thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 47 73 94 146 188 235 292 365 470 730 940 1460 3431 6862 13724 17155 34310 68620 146011 292022 584044 730055 1460110 2920220 6862517 10658803 13725034 21317606 27450068 34312585 42635212 53294015 68625170 106588030 137250340 213176060 500963741 1001927482 2003854964 2504818705 5009637410 10019274820