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10121191030 = 2547211102059
BaseRepresentation
bin10010110110100010…
…10001111001110110
3222010100210202222001
421123101101321312
5131212011103110
64352152125514
7505545463366
oct113321217166
928110722861
1010121191030
11432416a695
121b6569689a
13c53b40542
146c02ac9a6
153e384b63a
hex25b451e76

10121191030 has 32 divisors (see below), whose sum is σ = 18694126080. Its totient is φ = 3943521120.

The previous prime is 10121191021. The next prime is 10121191099. The reversal of 10121191030 is 3019112101.

It is a junction number, because it is equal to n+sod(n) for n = 10121190989 and 10121191007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48141 + ... + 150199.

It is an arithmetic number, because the mean of its divisors is an integer number (584191440).

Almost surely, 210121191030 is an apocalyptic number.

10121191030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10121191030 is a deficient number, since it is larger than the sum of its proper divisors (8572935050).

10121191030 is a wasteful number, since it uses less digits than its factorization.

10121191030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102324.

The product of its (nonzero) digits is 54, while the sum is 19.

The spelling of 10121191030 in words is "ten billion, one hundred twenty-one million, one hundred ninety-one thousand, thirty".

Divisors: 1 2 5 10 47 94 211 235 422 470 1055 2110 9917 19834 49585 99170 102059 204118 510295 1020590 4796773 9593546 21534449 23983865 43068898 47967730 107672245 215344490 1012119103 2024238206 5060595515 10121191030