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420100742308 = 221346717299487
BaseRepresentation
bin1100001110011111111…
…01001001110010100100
31111011100112122212201011
412013033331021302210
523340331242223213
6520554104512004
742231326251162
oct6071775116244
91434315585634
10420100742308
11152188a0a625
1269502a7b604
13307ccb595c0
14164939d0232
15addb41403d
hex61cff49ca4

420100742308 has 24 divisors (see below), whose sum is σ = 793423717632. Its totient is φ = 193477451424.

The previous prime is 420100742291. The next prime is 420100742309. The reversal of 420100742308 is 803247001024.

It is a self number, because there is not a number n which added to its sum of digits gives 420100742308.

It is not an unprimeable number, because it can be changed into a prime (420100742309) 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, 8625460 + ... + 8674027.

It is an arithmetic number, because the mean of its divisors is an integer number (33059321568).

Almost surely, 2420100742308 is an apocalyptic number.

It is an amenable number.

420100742308 is a deficient number, since it is larger than the sum of its proper divisors (373322975324).

420100742308 is a wasteful number, since it uses less digits than its factorization.

420100742308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17299971 (or 17299969 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The spelling of 420100742308 in words is "four hundred twenty billion, one hundred million, seven hundred forty-two thousand, three hundred eight".

Divisors: 1 2 4 13 26 52 467 934 1868 6071 12142 24284 17299487 34598974 69197948 224893331 449786662 899573324 8078860429 16157720858 32315441716 105025185577 210050371154 420100742308