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19625668482 = 2372320316427
BaseRepresentation
bin10010010001110001…
…111110111110000010
31212122202011020221110
4102101301332332002
5310143132342412
613003234104150
71263225300240
oct222161767602
955582136843
1019625668482
1183611a6232
12397871b056
131b09c828b4
14d426c3790
1579ce77d3c
hex491c7ef82

19625668482 has 32 divisors (see below), whose sum is σ = 46809050112. Its totient is φ = 5363536464.

The previous prime is 19625668477. The next prime is 19625668483. The reversal of 19625668482 is 28486652691.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (19625668483) 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, 10157248 + ... + 10159179.

It is an arithmetic number, because the mean of its divisors is an integer number (1462782816).

Almost surely, 219625668482 is an apocalyptic number.

19625668482 is an abundant number, since it is smaller than the sum of its proper divisors (27183381630).

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

19625668482 is a wasteful number, since it uses less digits than its factorization.

19625668482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20316462.

The product of its digits is 9953280, while the sum is 57.

The spelling of 19625668482 in words is "nineteen billion, six hundred twenty-five million, six hundred sixty-eight thousand, four hundred eighty-two".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 138 161 322 483 966 20316427 40632854 60949281 121898562 142214989 284429978 426644967 467277821 853289934 934555642 1401833463 2803666926 3270944747 6541889494 9812834241 19625668482