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51006013873420 = 22517172597869179
BaseRepresentation
bin10111001100011110000110…
…10101101001110100001100
320200121010102210202010001111
423212033003111221310030
523141140304022422140
6300251501142021404
713513030400306614
oct1346170325516414
9220533383663044
1051006013873420
1115285590120101
125879382a17864
13225cb009041a8
14c849c0631a44
155d6bb434e7ea
hex2e63c3569d0c

51006013873420 has 48 divisors (see below), whose sum is σ = 113414159607840. Its totient is φ = 19202130699264.

The previous prime is 51006013873417. The next prime is 51006013873459. The reversal of 51006013873420 is 2437831060015.

51006013873420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×510060138734202 (a number of 28 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 58248391 + ... + 59117569.

It is an arithmetic number, because the mean of its divisors is an integer number (2362794991830).

Almost surely, 251006013873420 is an apocalyptic number.

It is an amenable number.

51006013873420 is an abundant number, since it is smaller than the sum of its proper divisors (62408145734420).

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

51006013873420 is a wasteful number, since it uses less digits than its factorization.

51006013873420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041802 (or 1041800 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 51006013873420 in words is "fifty-one trillion, six billion, thirteen million, eight hundred seventy-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 172597 345194 690388 862985 869179 1725970 1738358 2934149 3451940 3476716 4345895 5868298 8691790 11736596 14670745 14776043 17383580 29341490 29552086 58682980 59104172 73880215 147760430 295520860 150017687863 300035375726 600070751452 750088439315 1500176878630 2550300693671 3000353757260 5100601387342 10201202774684 12751503468355 25503006936710 51006013873420