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19719024230 = 2589193114799
BaseRepresentation
bin10010010111010110…
…000110111001100110
31212220020211012221202
4102113112012321212
5310341032233410
613020411042502
71265440640363
oct222726067146
955806735852
1019719024230
1183a9969844
1239a3a40432
131b2340b099
14d50c6546a
157a6268ca5
hex497586e66

19719024230 has 32 divisors (see below), whose sum is σ = 36079344000. Its totient is φ = 7758508032.

The previous prime is 19719024223. The next prime is 19719024253. The reversal of 19719024230 is 3242091791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114371 + ... + 229169.

It is an arithmetic number, because the mean of its divisors is an integer number (1127479500).

Almost surely, 219719024230 is an apocalyptic number.

19719024230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19719024230 is a deficient number, since it is larger than the sum of its proper divisors (16360319770).

19719024230 is a wasteful number, since it uses less digits than its factorization.

19719024230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115088.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 19719024230 in words is "nineteen billion, seven hundred nineteen million, twenty-four thousand, two hundred thirty".

Divisors: 1 2 5 10 89 178 193 386 445 890 965 1930 17177 34354 85885 114799 171770 229598 573995 1147990 10217111 20434222 22156207 44312414 51085555 102171110 110781035 221562070 1971902423 3943804846 9859512115 19719024230