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105402020350 = 25211191640037
BaseRepresentation
bin110001000101001110…
…0110011000111111110
3101002001122111102001111
41202022130303013332
53211330404122400
6120230535032234
710420650250654
oct1421234630776
9332048442044
10105402020350
1140778768a30
1218516b0b67a
139c29a393a3
14515c690dd4
152b1d6033ba
hex188a7331fe

105402020350 has 24 divisors (see below), whose sum is σ = 213870282408. Its totient is φ = 38328007200.

The previous prime is 105402020329. The next prime is 105402020473. The reversal of 105402020350 is 53020204501.

It is a super-2 number, since 2×1054020203502 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95819469 + ... + 95820568.

It is an arithmetic number, because the mean of its divisors is an integer number (8911261767).

Almost surely, 2105402020350 is an apocalyptic number.

105402020350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105402020350 is an abundant number, since it is smaller than the sum of its proper divisors (108468262058).

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

105402020350 is a wasteful number, since it uses less digits than its factorization.

105402020350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191640060 (or 191640055 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 105402020350 its reverse (53020204501), we get a palindrome (158422224851).

The spelling of 105402020350 in words is "one hundred five billion, four hundred two million, twenty thousand, three hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 191640037 383280074 958200185 1916400370 2108040407 4216080814 4791000925 9582001850 10540202035 21080404070 52701010175 105402020350