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121742952 = 23331163633
BaseRepresentation
bin1110100000110…
…10011001101000
322111002011221020
413100122121220
5222131233302
620025212440
73005540502
oct720323150
9274064836
10121742952
11627a2311
1234931120
131c2b7366
1412250d72
15aa4bebc
hex741a668

121742952 has 32 divisors (see below), whose sum is σ = 314177280. Its totient is φ = 39271680.

The previous prime is 121742927. The next prime is 121742977. The reversal of 121742952 is 259247121.

It is an interprime number because it is at equal distance from previous prime (121742927) and next prime (121742977).

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, 81073 + ... + 82560.

It is an arithmetic number, because the mean of its divisors is an integer number (9818040).

Almost surely, 2121742952 is an apocalyptic number.

121742952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121742952 is an abundant number, since it is smaller than the sum of its proper divisors (192434328).

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

121742952 is a wasteful number, since it uses less digits than its factorization.

121742952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163673 (or 163669 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 121742952 is about 11033.7188653690. The cubic root of 121742952 is about 495.6189950384.

The spelling of 121742952 in words is "one hundred twenty-one million, seven hundred forty-two thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 124 186 248 372 744 163633 327266 490899 654532 981798 1309064 1963596 3927192 5072623 10145246 15217869 20290492 30435738 40580984 60871476 121742952