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15530152440154 = 211272949879713
BaseRepresentation
bin1110000111111110010100…
…1110000011000101011010
32000222200001000200202102211
43201333211032003011122
54013421223011041104
653010241544145334
73162005440446652
oct341774516030532
960880030622384
1015530152440154
114a48334200600
1218a9a2076824a
138886441a7101
143b99404a5362
151bde95483e04
hexe1fe538315a

15530152440154 has 24 divisors (see below), whose sum is σ = 25605879383700. Its totient is φ = 7059055407360.

The previous prime is 15530152440119. The next prime is 15530152440157. The reversal of 15530152440154 is 45104425103551.

It can be written as a sum of positive squares in 2 ways, for example, as 14347224299529 + 1182928140625 = 3787773^2 + 1087625^2 .

It is not an unprimeable number, because it can be changed into a prime (15530152440157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17213802 + ... + 18093514.

Almost surely, 215530152440154 is an apocalyptic number.

15530152440154 is a deficient number, since it is larger than the sum of its proper divisors (10075726943546).

15530152440154 is a wasteful number, since it uses less digits than its factorization.

15530152440154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952686 (or 952675 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

The spelling of 15530152440154 in words is "fifteen trillion, five hundred thirty billion, one hundred fifty-two million, four hundred forty thousand, one hundred fifty-four".

Divisors: 1 2 11 22 121 242 72949 145898 802439 879713 1604878 1759426 8826829 9676843 17653658 19353686 106445273 212890546 64174183637 128348367274 705916020007 1411832040014 7765076220077 15530152440154