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264123001420 = 22531426004841
BaseRepresentation
bin1111010111111011110…
…1010010101001001100
3221020202012000122220221
43311332331102221030
513311410442021140
6321200400321124
725040133320005
oct3657675225114
9836665018827
10264123001420
11a2017604253
12432323131a4
131bba3005b75
14cad83861ac
156d0cb4714a
hex3d7ef52a4c

264123001420 has 24 divisors (see below), whose sum is σ = 572550507648. Its totient is φ = 102241161600.

The previous prime is 264123001403. The next prime is 264123001487. The reversal of 264123001420 is 24100321462.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213001801 + ... + 213003040.

It is an arithmetic number, because the mean of its divisors is an integer number (23856271152).

Almost surely, 2264123001420 is an apocalyptic number.

264123001420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264123001420 is an abundant number, since it is smaller than the sum of its proper divisors (308427506228).

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

264123001420 is a wasteful number, since it uses less digits than its factorization.

264123001420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426004881 (or 426004879 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 264123001420 its reverse (24100321462), we get a palindrome (288223322882).

The spelling of 264123001420 in words is "two hundred sixty-four billion, one hundred twenty-three million, one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 426004841 852009682 1704019364 2130024205 4260048410 8520096820 13206150071 26412300142 52824600284 66030750355 132061500710 264123001420