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21302400995 = 535107121357
BaseRepresentation
bin10011110101101110…
…001101011111100011
32000222121020002112122
4103311232031133203
5322111403312440
613441452214455
71352615264231
oct236556153743
960877202478
1021302400995
119041717187
12416616a42b
132016473705
14106126d951
1584a2827b5
hex4f5b8d7e3

21302400995 has 8 divisors (see below), whose sum is σ = 25563819984. Its totient is φ = 17041294944.

The previous prime is 21302400983. The next prime is 21302401009. The reversal of 21302400995 is 59900420312.

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

It is a cyclic number.

It is not a de Polignac number, because 21302400995 - 28 = 21302400739 is a prime.

It is a Duffinian number.

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, 114857 + ... + 236213.

It is an arithmetic number, because the mean of its divisors is an integer number (3195477498).

Almost surely, 221302400995 is an apocalyptic number.

21302400995 is a deficient number, since it is larger than the sum of its proper divisors (4261418989).

21302400995 is a wasteful number, since it uses less digits than its factorization.

21302400995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156469.

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 21302400995 in words is "twenty-one billion, three hundred two million, four hundred thousand, nine hundred ninety-five".

Divisors: 1 5 35107 121357 175535 606785 4260480199 21302400995