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100400448451 = 196186626789
BaseRepresentation
bin101110110000001010…
…1010100001111000011
3100121011002011020020211
41131200111110033003
53121110003322301
6114042350014551
710153005505462
oct1354025241703
9317132136224
10100400448451
1139641487a36
121755baa7457
13961077a1a4
144c063009d9
15292948b051
hex17605543c3

100400448451 has 8 divisors (see below), whose sum is σ = 107417219600. Its totient is φ = 93556931040.

The previous prime is 100400448439. The next prime is 100400448469. The reversal of 100400448451 is 154844004001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100400448451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100400448481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43312236 + ... + 43314553.

It is an arithmetic number, because the mean of its divisors is an integer number (13427152450).

Almost surely, 2100400448451 is an apocalyptic number.

100400448451 is a deficient number, since it is larger than the sum of its proper divisors (7016771149).

100400448451 is an equidigital number, since it uses as much as digits as its factorization.

100400448451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86626869.

The product of its (nonzero) digits is 10240, while the sum is 31.

The spelling of 100400448451 in words is "one hundred billion, four hundred million, four hundred forty-eight thousand, four hundred fifty-one".

Divisors: 1 19 61 1159 86626789 1645908991 5284234129 100400448451