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121120152 = 23313936307
BaseRepresentation
bin1110011100000…
…10010110011000
322102220112121120
413032002112120
5222001321102
620004005240
73000334656
oct716022630
9272815546
10121120152
11624073aa
1234690820
131c129a3a
141212bdd6
15a9776bc
hex7382598

121120152 has 32 divisors (see below), whose sum is σ = 304987200. Its totient is φ = 40081824.

The previous prime is 121120147. The next prime is 121120169. The reversal of 121120152 is 251021121.

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, 14818 + ... + 21489.

It is an arithmetic number, because the mean of its divisors is an integer number (9530850).

Almost surely, 2121120152 is an apocalyptic number.

121120152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121120152 is an abundant number, since it is smaller than the sum of its proper divisors (183867048).

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

121120152 is a wasteful number, since it uses less digits than its factorization.

121120152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36455 (or 36451 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 121120152 is about 11005.4600994234. The cubic root of 121120152 is about 494.7724042976.

Adding to 121120152 its reverse (251021121), we get a palindrome (372141273).

The spelling of 121120152 in words is "one hundred twenty-one million, one hundred twenty thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 139 278 417 556 834 1112 1668 3336 36307 72614 108921 145228 217842 290456 435684 871368 5046673 10093346 15140019 20186692 30280038 40373384 60560076 121120152