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10221437930 = 251192922163
BaseRepresentation
bin10011000010011111…
…01100001111101010
3222101100102211212012
421201033230033222
5131413142003210
64410132515522
7511203534404
oct114117541752
928340384765
1010221437930
11437580a670
121b9317bba2
13c6b83c532
146cd725b74
153ec54e305
hex2613ec3ea

10221437930 has 16 divisors (see below), whose sum is σ = 20071187424. Its totient is φ = 3716886480.

The previous prime is 10221437911. The next prime is 10221437957. The reversal of 10221437930 is 3973412201.

It is a Curzon 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, 46460972 + ... + 46461191.

It is an arithmetic number, because the mean of its divisors is an integer number (1254449214).

Almost surely, 210221437930 is an apocalyptic number.

10221437930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10221437930 is a deficient number, since it is larger than the sum of its proper divisors (9849749494).

10221437930 is a wasteful number, since it uses less digits than its factorization.

10221437930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92922181.

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 10221437930 in words is "ten billion, two hundred twenty-one million, four hundred thirty-seven thousand, nine hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 92922163 185844326 464610815 929221630 1022143793 2044287586 5110718965 10221437930