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121493670 = 2354049789
BaseRepresentation
bin1110011110111…
…01100010100110
322110121111222120
413033131202212
5222100244140
620020010410
73003451644
oct717354246
9273544876
10121493670
1162641aa1
1234830a06
131c22aa5c
14121c8194
15a9ed1d0
hex73dd8a6

121493670 has 16 divisors (see below), whose sum is σ = 291584880. Its totient is φ = 32398304.

The previous prime is 121493663. The next prime is 121493683. The reversal of 121493670 is 76394121.

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, 2024865 + ... + 2024924.

It is an arithmetic number, because the mean of its divisors is an integer number (18224055).

Almost surely, 2121493670 is an apocalyptic number.

121493670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121493670 is an abundant number, since it is smaller than the sum of its proper divisors (170091210).

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

121493670 is a wasteful number, since it uses less digits than its factorization.

121493670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4049799.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 121493670 is about 11022.4167041534. The cubic root of 121493670 is about 495.2804858682.

The spelling of 121493670 in words is "one hundred twenty-one million, four hundred ninety-three thousand, six hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 4049789 8099578 12149367 20248945 24298734 40497890 60746835 121493670