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103030121012120 = 23517314888745811
BaseRepresentation
bin10111011011010010010001…
…110000111001101110011000
3111111210120202021120202112022
4113123102101300321232120
5102001021141434341440
61003043214552034012
730462452305603241
oct2733222160715630
9444716667522468
10103030121012120
112a91291335a0a5
12b67bb17092908
13456491112a733
141b62982253cc8
15bda0b3592cb5
hex5db491c39b98

103030121012120 has 32 divisors (see below), whose sum is σ = 233157759415920. Its totient is φ = 40973828469120.

The previous prime is 103030121012107. The next prime is 103030121012191. The reversal of 103030121012120 is 21210121030301.

It is a super-2 number, since 2×1030301210121202 (a number of 29 digits) contains 22 as substring.

It is a congruent 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, 7444365986 + ... + 7444379825.

Almost surely, 2103030121012120 is an apocalyptic number.

103030121012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103030121012120 is an abundant number, since it is smaller than the sum of its proper divisors (130127638403800).

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

103030121012120 is a wasteful number, since it uses less digits than its factorization.

103030121012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14888745995 (or 14888745991 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 103030121012120 its reverse (21210121030301), we get a palindrome (124240242042421).

The spelling of 103030121012120 in words is "one hundred three trillion, thirty billion, one hundred twenty-one million, twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 173 346 692 865 1384 1730 3460 6920 14888745811 29777491622 59554983244 74443729055 119109966488 148887458110 297774916220 595549832440 2575753025303 5151506050606 10303012101212 12878765126515 20606024202424 25757530253030 51515060506060 103030121012120