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155332230078 = 2325888705013
BaseRepresentation
bin1001000010101010000…
…1011011101110111110
3112211221100222212102110
42100222201123232332
510021110022330303
6155205244434450
714136164112354
oct2205241335676
9484840885373
10155332230078
115a96aaa3573
1226130548a26
13118561b1b9c
147737a157d4
154091cae703
hex242a85bbbe

155332230078 has 8 divisors (see below), whose sum is σ = 310664460168. Its totient is φ = 51777410024.

The previous prime is 155332230077. The next prime is 155332230107. The reversal of 155332230078 is 870032233551.

It is a sphenic number, since it is the product of 3 distinct primes.

155332230078 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155332230077) 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, 12944352501 + ... + 12944352512.

It is an arithmetic number, because the mean of its divisors is an integer number (38833057521).

Almost surely, 2155332230078 is an apocalyptic number.

155332230078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

155332230078 is a wasteful number, since it uses less digits than its factorization.

155332230078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25888705018.

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 155332230078 in words is "one hundred fifty-five billion, three hundred thirty-two million, two hundred thirty thousand, seventy-eight".

Divisors: 1 2 3 6 25888705013 51777410026 77666115039 155332230078