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452131020442 = 22343228579889
BaseRepresentation
bin1101001010001010001…
…10111101111010011010
31121020000210021121002201
412211011012331322122
524401431020123232
6543412304520414
744444141156233
oct6450506757232
91536023247081
10452131020442
111648251a0672
127376192010a
1333835a3a4ba
1417c5193608a
15bb633d1be7
hex69451bde9a

452131020442 has 16 divisors (see below), whose sum is σ = 724141091520. Its totient is φ = 211207816512.

The previous prime is 452131020431. The next prime is 452131020487. The reversal of 452131020442 is 244020131254.

It is a self number, because there is not a number n which added to its sum of digits gives 452131020442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114287967 + ... + 114291922.

It is an arithmetic number, because the mean of its divisors is an integer number (45258818220).

Almost surely, 2452131020442 is an apocalyptic number.

452131020442 is a deficient number, since it is larger than the sum of its proper divisors (272010071078).

452131020442 is a wasteful number, since it uses less digits than its factorization.

452131020442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228579957.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 452131020442 its reverse (244020131254), we get a palindrome (696151151696).

The spelling of 452131020442 in words is "four hundred fifty-two billion, one hundred thirty-one million, twenty thousand, four hundred forty-two".

Divisors: 1 2 23 43 46 86 989 1978 228579889 457159778 5257337447 9828935227 10514674894 19657870454 226065510221 452131020442