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19024147340 = 2251186473397
BaseRepresentation
bin10001101101111011…
…010111001110001100
31211002211021211001122
4101231323113032030
5302430140203330
612423425300112
71242302404262
oct215573271614
954084254048
1019024147340
1180826a9520
12382b194638
131a42473823
14cc6862432
157652595e5
hex46ded738c

19024147340 has 24 divisors (see below), whose sum is σ = 43582592592. Its totient is φ = 6917871680.

The previous prime is 19024147339. The next prime is 19024147357. The reversal of 19024147340 is 4374142091.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 19024147340.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43236479 + ... + 43236918.

It is an arithmetic number, because the mean of its divisors is an integer number (1815941358).

Almost surely, 219024147340 is an apocalyptic number.

19024147340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19024147340 is an abundant number, since it is smaller than the sum of its proper divisors (24558445252).

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

19024147340 is a wasteful number, since it uses less digits than its factorization.

19024147340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86473417 (or 86473415 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 19024147340 in words is "nineteen billion, twenty-four million, one hundred forty-seven thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 86473397 172946794 345893588 432366985 864733970 951207367 1729467940 1902414734 3804829468 4756036835 9512073670 19024147340