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155545025141 = 1141344889191
BaseRepresentation
bin1001000011011100110…
…1001011101001110101
3112212111012101222101002
42100313031023221311
510022024011301031
6155242325413045
714144356620212
oct2206715135165
9485435358332
10155545025141
115aa6a125660
122618b86a185
131188b2c901c
147757da8b09
1540a57e4ccb
hex243734ba75

155545025141 has 8 divisors (see below), whose sum is σ = 173824152768. Its totient is φ = 137955676000.

The previous prime is 155545025081. The next prime is 155545025147. The reversal of 155545025141 is 141520545551.

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

It is a cyclic number.

It is not a de Polignac number, because 155545025141 - 214 = 155545008757 is a prime.

It is a super-2 number, since 2×1555450251412 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155545025095 and 155545025104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155545025147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172444145 + ... + 172445046.

It is an arithmetic number, because the mean of its divisors is an integer number (21728019096).

Almost surely, 2155545025141 is an apocalyptic number.

155545025141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

155545025141 is a deficient number, since it is larger than the sum of its proper divisors (18279127627).

155545025141 is a wasteful number, since it uses less digits than its factorization.

155545025141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344889243.

The product of its (nonzero) digits is 100000, while the sum is 38.

The spelling of 155545025141 in words is "one hundred fifty-five billion, five hundred forty-five million, twenty-five thousand, one hundred forty-one".

Divisors: 1 11 41 451 344889191 3793781101 14140456831 155545025141