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51552205002 = 2331823523681
BaseRepresentation
bin110000000000110000…
…000011100011001010
311221001202120100121000
4300000300003203022
51321034331030002
635403250355430
73503340340524
oct600060034312
9157052510530
1051552205002
111a95496a701
129ba888bb76
134b2750cc1c
1426d0942a14
15151aca261c
hexc00c038ca

51552205002 has 32 divisors (see below), whose sum is σ = 114623516160. Its totient is φ = 17174609280.

The previous prime is 51552204967. The next prime is 51552205079. The reversal of 51552205002 is 20050225515.

51552205002 is a `hidden beast` number, since 5 + 155 + 2 + 2 + 0 + 500 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163399 + ... + 360282.

It is an arithmetic number, because the mean of its divisors is an integer number (3581984880).

Almost surely, 251552205002 is an apocalyptic number.

51552205002 is an abundant number, since it is smaller than the sum of its proper divisors (63071311158).

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

51552205002 is a wasteful number, since it uses less digits than its factorization.

51552205002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525515 (or 525509 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The spelling of 51552205002 in words is "fifty-one billion, five hundred fifty-two million, two hundred five thousand, two".

Divisors: 1 2 3 6 9 18 27 54 1823 3646 5469 10938 16407 32814 49221 98442 523681 1047362 1571043 3142086 4713129 9426258 14139387 28278774 954670463 1909340926 2864011389 5728022778 8592034167 17184068334 25776102501 51552205002