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155430226560 = 2735721989977
BaseRepresentation
bin1001000011000001011…
…1010000101010000000
3112212012012101121022210
42100300113100222000
510021310114222220
6155223105102120
714141464061400
oct2206027205200
9485165347283
10155430226560
115aa103467a4
1226159327940
13118705a377b
147746a44800
15409a6ba6e0
hex24305d0a80

155430226560 has 768 divisors, whose sum is σ = 614097936000. Its totient is φ = 33244839936.

The previous prime is 155430226547. The next prime is 155430226571. The reversal of 155430226560 is 65622034551.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 159088792 + ... + 159089768.

Almost surely, 2155430226560 is an apocalyptic number.

155430226560 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 155430226560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307048968000).

155430226560 is an abundant number, since it is smaller than the sum of its proper divisors (458667709440).

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

155430226560 is a wasteful number, since it uses less digits than its factorization.

155430226560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121 (or 1102 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 155430226560 in words is "one hundred fifty-five billion, four hundred thirty million, two hundred twenty-six thousand, five hundred sixty".