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121377045 = 358091803
BaseRepresentation
bin1110011110000…
…01000100010101
322110101121000010
413033001010111
5222033031140
620013310433
73002454636
oct717010425
9273347003
10121377045
1162572409
1234795419
131c1b994a
141219788d
15a9c8880
hex73c1115

121377045 has 8 divisors (see below), whose sum is σ = 194203296. Its totient is φ = 64734416.

The previous prime is 121377041. The next prime is 121377071. The reversal of 121377045 is 540773121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121377045 - 22 = 121377041 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121377041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4045887 + ... + 4045916.

It is an arithmetic number, because the mean of its divisors is an integer number (24275412).

Almost surely, 2121377045 is an apocalyptic number.

121377045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121377045 is a deficient number, since it is larger than the sum of its proper divisors (72826251).

121377045 is an equidigital number, since it uses as much as digits as its factorization.

121377045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8091811.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 121377045 is about 11017.1250787127. The cubic root of 121377045 is about 495.1219575021.

The spelling of 121377045 in words is "one hundred twenty-one million, three hundred seventy-seven thousand, forty-five".

Divisors: 1 3 5 15 8091803 24275409 40459015 121377045