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52406064146881 = 472213503851171
BaseRepresentation
bin10111110101001101111001…
…10101100110100111000001
320212112222012201100001202101
423322212330311212213001
523332110104410200011
6303243002530150401
714016133060263544
oct1372467465464701
9225488181301671
1052406064146881
1115775317a95605
125a64790a22401
132331b41a60a73
14cd26777a685b
1560d306ae02c1
hex2fa9bcd669c1

52406064146881 has 8 divisors (see below), whose sum is σ = 53545271750784. Its totient is φ = 51267864249840.

The previous prime is 52406064146867. The next prime is 52406064146941. The reversal of 52406064146881 is 18864146060425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52406064146881 - 27 = 52406064146753 is a prime.

It is a super-2 number, since 2×524060641468812 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52406064146081) 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, 251821575 + ... + 252029596.

It is an arithmetic number, because the mean of its divisors is an integer number (6693158968848).

Almost surely, 252406064146881 is an apocalyptic number.

It is an amenable number.

52406064146881 is a deficient number, since it is larger than the sum of its proper divisors (1139207603903).

52406064146881 is a wasteful number, since it uses less digits than its factorization.

52406064146881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503853431.

The product of its (nonzero) digits is 8847360, while the sum is 55.

The spelling of 52406064146881 in words is "fifty-two trillion, four hundred six billion, sixty-four million, one hundred forty-six thousand, eight hundred eighty-one".

Divisors: 1 47 2213 104011 503851171 23681005037 1115022641423 52406064146881