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1904963829620 = 225175602834793
BaseRepresentation
bin11011101110001000101…
…100010011111101110100
320202010001012112011211212
4123232020230103331310
5222202331220021440
64015043414020552
7254425531246025
oct33561054237564
96663035464755
101904963829620
11674988468415
12269240647758
1310a83925ab27
14682b4b96c4c
1534844952465
hex1bb88b13f74

1904963829620 has 24 divisors (see below), whose sum is σ = 4235743104264. Its totient is φ = 717162853376.

The previous prime is 1904963829619. The next prime is 1904963829631. The reversal of 1904963829620 is 269283694091.

It can be written as a sum of positive squares in 4 ways, for example, as 460630975204 + 1444332854416 = 678698^2 + 1201804^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1904963829620.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2801417057 + ... + 2801417736.

It is an arithmetic number, because the mean of its divisors is an integer number (176489296011).

Almost surely, 21904963829620 is an apocalyptic number.

1904963829620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1904963829620 is an abundant number, since it is smaller than the sum of its proper divisors (2330779274644).

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

1904963829620 is a wasteful number, since it uses less digits than its factorization.

1904963829620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5602834819 (or 5602834817 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 59.

The spelling of 1904963829620 in words is "one trillion, nine hundred four billion, nine hundred sixty-three million, eight hundred twenty-nine thousand, six hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 5602834793 11205669586 22411339172 28014173965 56028347930 95248191481 112056695860 190496382962 380992765924 476240957405 952481914810 1904963829620