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155361254160 = 24357231426161
BaseRepresentation
bin1001000010110001000…
…0001001101100010000
3112212000101121102222110
42100230100021230100
510021134440113120
6155212202505320
714136665604600
oct2205420115420
9485011542873
10155361254160
115a985417812
122613a205240
131185c2048b8
14773b80cc00
1540945e42e0
hex242c409b10

155361254160 has 240 divisors, whose sum is σ = 578325699072. Its totient is φ = 34365542400.

The previous prime is 155361254143. The next prime is 155361254171. The reversal of 155361254160 is 61452163551.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 151480 + ... + 577640.

Almost surely, 2155361254160 is an apocalyptic number.

155361254160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155361254160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289162849536).

155361254160 is an abundant number, since it is smaller than the sum of its proper divisors (422964444912).

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

155361254160 is a wasteful number, since it uses less digits than its factorization.

155361254160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426222 (or 426209 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 155361254160 in words is "one hundred fifty-five billion, three hundred sixty-one million, two hundred fifty-four thousand, one hundred sixty".