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10221321299 = 73739464561
BaseRepresentation
bin10011000010011110…
…01111110001010011
3222101100012220212112
421201033033301103
5131413124240144
64410130215535
7511202540360
oct114117176123
928340186775
1010221321299
11437573aa82
121b931245ab
13c6b7cb417
146cd6d5467
153ec52999e
hex2613cfc53

10221321299 has 8 divisors (see below), whose sum is σ = 11997226848. Its totient is φ = 8524344960.

The previous prime is 10221321293. The next prime is 10221321343. The reversal of 10221321299 is 99212312201.

It is a happy number.

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-10221321299 is a prime.

It is a super-4 number, since 4×102213212994 (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221321293) 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, 19732022 + ... + 19732539.

It is an arithmetic number, because the mean of its divisors is an integer number (1499653356).

Almost surely, 210221321299 is an apocalyptic number.

10221321299 is a deficient number, since it is larger than the sum of its proper divisors (1775905549).

10221321299 is an equidigital number, since it uses as much as digits as its factorization.

10221321299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39464605.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 10221321299 in words is "ten billion, two hundred twenty-one million, three hundred twenty-one thousand, two hundred ninety-nine".

Divisors: 1 7 37 259 39464561 276251927 1460188757 10221321299