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52025123256421 = 737971957376999
BaseRepresentation
bin10111101010001000010101…
…11111011011100001100101
320211012112221021211202221111
423311010022333123201211
523304334423023201141
6302352002304545021
713646456024163550
oct1365041277334145
9224175837752844
1052025123256421
1115638804871307
125a02998622171
132304c42bb7a43
14cbc05a967697
1560345d55a381
hex2f510afdb865

52025123256421 has 8 divisors (see below), whose sum is σ = 59472942768000. Its totient is φ = 44581218506448.

The previous prime is 52025123256413. The next prime is 52025123256443. The reversal of 52025123256421 is 12465232152025.

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 52025123256421 - 23 = 52025123256413 is a prime.

It is a super-2 number, since 2×520251232564212 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52025123256401) 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, 978661921 + ... + 978715078.

It is an arithmetic number, because the mean of its divisors is an integer number (7434117846000).

Almost surely, 252025123256421 is an apocalyptic number.

It is an amenable number.

52025123256421 is a deficient number, since it is larger than the sum of its proper divisors (7447819511579).

52025123256421 is a wasteful number, since it uses less digits than its factorization.

52025123256421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957380803.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 52025123256421 in words is "fifty-two trillion, twenty-five billion, one hundred twenty-three million, two hundred fifty-six thousand, four hundred twenty-one".

Divisors: 1 7 3797 26579 1957376999 13701638993 7432160465203 52025123256421