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78151742008276 = 2283186323486963
BaseRepresentation
bin10001110001010000011110…
…110100100010101111010100
3101020201020022021100212122111
4101301100132310202233110
540220414231423231101
6434114225321240404
722314164010316666
oct2161203664425724
9336636267325574
1078151742008276
11229a0a70a52072
1289223b8333104
13347b8a6a44531
1415427c8d94536
15907d8d43b251
hex47141ed22bd4

78151742008276 has 12 divisors (see below), whose sum is σ = 136765718746272. Its totient is φ = 39075822366488.

The previous prime is 78151742008271. The next prime is 78151742008331. The reversal of 78151742008276 is 67280024715187.

It is a happy number.

78151742008276 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×781517420082762 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78151742008276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78151742008271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8416030 + ... + 15070933.

It is an arithmetic number, because the mean of its divisors is an integer number (11397143228856).

Almost surely, 278151742008276 is an apocalyptic number.

It is an amenable number.

78151742008276 is a deficient number, since it is larger than the sum of its proper divisors (58613976737996).

78151742008276 is a wasteful number, since it uses less digits than its factorization.

78151742008276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24318830 (or 24318828 counting only the distinct ones).

The product of its (nonzero) digits is 10536960, while the sum is 58.

The spelling of 78151742008276 in words is "seventy-eight trillion, one hundred fifty-one billion, seven hundred forty-two million, eight thousand, two hundred seventy-six".

Divisors: 1 2 4 831863 1663726 3327452 23486963 46973926 93947852 19537935502069 39075871004138 78151742008276