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100420417777 = 6112712962491
BaseRepresentation
bin101110110000110000…
…1011111100011110001
3100121012110201210000111
41131201201133203301
53121130111332102
6114044342021321
710153340316211
oct1354141374361
9317173653014
10100420417777
1139651787209
1217566717841
13961494c664
144c08c1c241
15292b0d2cd7
hex176185f8f1

100420417777 has 8 divisors (see below), whose sum is σ = 102870336512. Its totient is φ = 97996424400.

The previous prime is 100420417723. The next prime is 100420417807. The reversal of 100420417777 is 777714024001.

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-100420417777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100420417577) 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, 6473499 + ... + 6488992.

It is an arithmetic number, because the mean of its divisors is an integer number (12858792064).

Almost surely, 2100420417777 is an apocalyptic number.

It is an amenable number.

100420417777 is a deficient number, since it is larger than the sum of its proper divisors (2449918735).

100420417777 is a wasteful number, since it uses less digits than its factorization.

100420417777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12962679.

The product of its (nonzero) digits is 76832, while the sum is 40.

The spelling of 100420417777 in words is "one hundred billion, four hundred twenty million, four hundred seventeen thousand, seven hundred seventy-seven".

Divisors: 1 61 127 7747 12962491 790711951 1646236357 100420417777