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420330444042 = 23318925391473
BaseRepresentation
bin1100001110111011010…
…01011001010100001010
31111011221112212221020210
412013131221121110022
523341314043202132
6521032552101550
742240115552425
oct6073551312412
91434845787223
10420330444042
11152296639973
12695679948b6
1330838612ba2
14164b63049bc
15ae01688bcc
hex61dda5950a

420330444042 has 32 divisors (see below), whose sum is σ = 877529341440. Its totient is φ = 134066972160.

The previous prime is 420330443983. The next prime is 420330444109. The reversal of 420330444042 is 240444033024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12679183 + ... + 12712290.

It is an arithmetic number, because the mean of its divisors is an integer number (27422791920).

Almost surely, 2420330444042 is an apocalyptic number.

420330444042 is an abundant number, since it is smaller than the sum of its proper divisors (457198897398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420330444042 is a wasteful number, since it uses less digits than its factorization.

420330444042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25391598.

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 420330444042 its reverse (240444033024), we get a palindrome (660774477066).

The spelling of 420330444042 in words is "four hundred twenty billion, three hundred thirty million, four hundred forty-four thousand, forty-two".

Divisors: 1 2 3 6 31 62 89 93 178 186 267 534 2759 5518 8277 16554 25391473 50782946 76174419 152348838 787135663 1574271326 2259841097 2361406989 4519682194 4722813978 6779523291 13559046582 70055074007 140110148014 210165222021 420330444042