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100668377 = 313247367
BaseRepresentation
bin1100000000000…
…01001111011001
321000102111001102
412000001033121
5201232342002
613553401145
72331444545
oct600011731
9230374042
10100668377
1151908707
12298691b5
1317b18ab4
14d526a25
158c87a02
hex60013d9

100668377 has 4 divisors (see below), whose sum is σ = 103915776. Its totient is φ = 97420980.

The previous prime is 100668353. The next prime is 100668383. The reversal of 100668377 is 773866001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 773866001 = 2069374029.

It is a cyclic number.

It is not a de Polignac number, because 100668377 - 28 = 100668121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100668377.

It is not an unprimeable number, because it can be changed into a prime (100668277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1623653 + ... + 1623714.

It is an arithmetic number, because the mean of its divisors is an integer number (25978944).

Almost surely, 2100668377 is an apocalyptic number.

It is an amenable number.

100668377 is a deficient number, since it is larger than the sum of its proper divisors (3247399).

100668377 is an equidigital number, since it uses as much as digits as its factorization.

100668377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3247398.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 100668377 is about 10033.3631948614. The cubic root of 100668377 is about 465.1906983662.

The spelling of 100668377 in words is "one hundred million, six hundred sixty-eight thousand, three hundred seventy-seven".

Divisors: 1 31 3247367 100668377