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155225752130 = 25449149923063
BaseRepresentation
bin1001000010010000101…
…1010000001001000010
3112211122221122020010202
42100210023100021002
510020400243032010
6155150522325202
714133432060131
oct2204413201102
9484587566122
10155225752130
115a915988069
1226100959802
131183a110997
147727819918
15408777a6a5
hex24242d0242

155225752130 has 32 divisors (see below), whose sum is σ = 280227600000. Its totient is φ = 61908001792.

The previous prime is 155225752061. The next prime is 155225752139. The reversal of 155225752130 is 31257522551.

It is not an unprimeable number, because it can be changed into a prime (155225752139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6718979 + ... + 6742041.

It is an arithmetic number, because the mean of its divisors is an integer number (8757112500).

Almost surely, 2155225752130 is an apocalyptic number.

155225752130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155225752130 is a deficient number, since it is larger than the sum of its proper divisors (125001847870).

155225752130 is a wasteful number, since it uses less digits than its factorization.

155225752130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25018.

The product of its (nonzero) digits is 105000, while the sum is 38.

The spelling of 155225752130 in words is "one hundred fifty-five billion, two hundred twenty-five million, seven hundred fifty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 449 898 1499 2245 2998 4490 7495 14990 23063 46126 115315 230630 673051 1346102 3365255 6730510 10355287 20710574 34571437 51776435 69142874 103552870 172857185 345714370 15522575213 31045150426 77612876065 155225752130