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78572150142 = 23711663110909
BaseRepresentation
bin100100100101101000…
…0111101110101111110
321111210211100210012220
41021023100331311332
52241403432301032
6100032345510210
75451043154013
oct1111320756576
9244724323186
1078572150142
113035aa26382
12132897a2366
137542384c45
143b3529770a
15209ce7712c
hex124b43dd7e

78572150142 has 32 divisors (see below), whose sum is σ = 159454863360. Its totient is φ = 25806073440.

The previous prime is 78572150131. The next prime is 78572150191. The reversal of 78572150142 is 24105127587.

It is a junction number, because it is equal to n+sod(n) for n = 78572150094 and 78572150103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 652984 + ... + 763892.

It is an arithmetic number, because the mean of its divisors is an integer number (4982964480).

Almost surely, 278572150142 is an apocalyptic number.

78572150142 is an abundant number, since it is smaller than the sum of its proper divisors (80882713218).

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

78572150142 is a wasteful number, since it uses less digits than its factorization.

78572150142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112648.

The product of its (nonzero) digits is 156800, while the sum is 42.

The spelling of 78572150142 in words is "seventy-eight billion, five hundred seventy-two million, one hundred fifty thousand, one hundred forty-two".

Divisors: 1 2 3 6 71 142 213 426 1663 3326 4989 9978 110909 118073 221818 236146 332727 354219 665454 708438 7874539 15749078 23623617 47247234 184441667 368883334 553325001 1106650002 13095358357 26190716714 39286075071 78572150142