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121392033132 = 22323439826207
BaseRepresentation
bin111000100001110000…
…1110110110101101100
3102121100000112012222010
41301003201312311230
53442102330030012
6131433340321220
711525131154016
oct1610341666554
9377300465863
10121392033132
1147533702227
121b639b43210
13b5a7706806
145c381831b6
1532572c4c3c
hex1c43876d6c

121392033132 has 24 divisors (see below), whose sum is σ = 295563211776. Its totient is φ = 38704706128.

The previous prime is 121392033131. The next prime is 121392033137. The reversal of 121392033132 is 231330293121.

It is a self number, because there is not a number n which added to its sum of digits gives 121392033132.

It is not an unprimeable number, because it can be changed into a prime (121392033131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219912828 + ... + 219913379.

It is an arithmetic number, because the mean of its divisors is an integer number (12315133824).

Almost surely, 2121392033132 is an apocalyptic number.

121392033132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121392033132 is an abundant number, since it is smaller than the sum of its proper divisors (174171178644).

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

121392033132 is a wasteful number, since it uses less digits than its factorization.

121392033132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439826237 (or 439826235 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 30.

The spelling of 121392033132 in words is "one hundred twenty-one billion, three hundred ninety-two million, thirty-three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 439826207 879652414 1319478621 1759304828 2638957242 5277914484 10116002761 20232005522 30348008283 40464011044 60696016566 121392033132