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456819720148 = 2211217255721713
BaseRepresentation
bin1101010010111001001…
…00111011111111010100
31121200010112220012221101
412221130210323333110
524441031322021043
6545505435555444
745001263360541
oct6513444737724
91550115805841
10456819720148
11166810906100
127464bbbbb84
133410224291c
1418178521bc8
15bd39d4624d
hex6a5c93bfd4

456819720148 has 72 divisors (see below), whose sum is σ = 930813256296. Its totient is φ = 195345469440.

The previous prime is 456819720143. The next prime is 456819720167. The reversal of 456819720148 is 841027918654.

It can be written as a sum of positive squares in 4 ways, for example, as 62614051984 + 394205668164 = 250228^2 + 627858^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456819720143) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 21028140 + ... + 21049852.

It is an arithmetic number, because the mean of its divisors is an integer number (12927961893).

Almost surely, 2456819720148 is an apocalyptic number.

It is an amenable number.

456819720148 is an abundant number, since it is smaller than the sum of its proper divisors (473993536148).

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

456819720148 is a wasteful number, since it uses less digits than its factorization.

456819720148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24313 (or 24300 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 456819720148 in words is "four hundred fifty-six billion, eight hundred nineteen million, seven hundred twenty thousand, one hundred forty-eight".

Divisors: 1 2 4 11 17 22 34 44 68 121 187 242 374 484 748 2057 2557 4114 5114 8228 10228 21713 28127 43426 43469 56254 86852 86938 112508 173876 238843 309397 369121 477686 478159 618794 738242 955372 956318 1237588 1476484 1912636 2627273 4060331 5254546 5259749 8120662 10509092 10519498 16241324 21038996 44663641 55520141 89327282 111040282 178654564 222080564 610721551 943842397 1221443102 1887684794 2442886204 3775369588 6717937061 10382266367 13435874122 20764532734 26871748244 41529065468 114204930037 228409860074 456819720148