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790012122220021 = 4195691613312719
BaseRepresentation
bin1011001110100000110000011…
…1111010011100010111110101
310211121012102101010101120011011
42303220030013322130113311
51312022024311242020041
611440114320402112221
7325255330566332611
oct26350140772342765
93747172333346134
10790012122220021
112097a4294468628
127473178534b671
1327ba7a921c833c
14dd12b0dab8341
15615006567ce81
hex2ce8307e9c5f5

790012122220021 has 8 divisors (see below), whose sum is σ = 791899223068800. Its totient is φ = 788125029135840.

The previous prime is 790012122219953. The next prime is 790012122220081. The reversal of 790012122220021 is 120022221210097.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-790012122220021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (790012122220081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236822100 + ... + 240134818.

It is an arithmetic number, because the mean of its divisors is an integer number (98987402883600).

Almost surely, 2790012122220021 is an apocalyptic number.

It is an amenable number.

790012122220021 is a deficient number, since it is larger than the sum of its proper divisors (1887100848779).

790012122220021 is a wasteful number, since it uses less digits than its factorization.

790012122220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3882299.

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 790012122220021 in words is "seven hundred ninety trillion, twelve billion, one hundred twenty-two million, two hundred twenty thousand, twenty-one".

Divisors: 1 419 569161 3312719 238478459 1388029261 1885470458759 790012122220021