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121101380 = 22520033023
BaseRepresentation
bin1110011011111…
…01110001000100
322102212120212022
413031331301010
5222000221010
620003342312
73000226151
oct715756104
9272776768
10121101380
11623a4294
1234681998
131c12132a
1412125228
15a971d55
hex737dc44

121101380 has 24 divisors (see below), whose sum is σ = 254524032. Its totient is φ = 48400352.

The previous prime is 121101367. The next prime is 121101401. The reversal of 121101380 is 83101121.

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, 38549 + ... + 41571.

It is an arithmetic number, because the mean of its divisors is an integer number (10605168).

Almost surely, 2121101380 is an apocalyptic number.

121101380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121101380 is an abundant number, since it is smaller than the sum of its proper divisors (133422652).

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

121101380 is a wasteful number, since it uses less digits than its factorization.

121101380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5035 (or 5033 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 121101380 is about 11004.6072169796. The cubic root of 121101380 is about 494.7468419468.

The spelling of 121101380 in words is "one hundred twenty-one million, one hundred one thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 2003 3023 4006 6046 8012 10015 12092 15115 20030 30230 40060 60460 6055069 12110138 24220276 30275345 60550690 121101380