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55130015150 = 2527283271109
BaseRepresentation
bin110011010110000000…
…010100010110101110
312021022002211221102222
4303112000110112232
51400401240441100
641154255315342
73661113253100
oct632600242656
9167262757388
1055130015150
11214205023a1
12a826b1bb52
135277820c52
14294db97570
151679e2e485
hexcd60145ae

55130015150 has 72 divisors (see below), whose sum is σ = 120720945240. Its totient is φ = 18673919040.

The previous prime is 55130015123. The next prime is 55130015153. The reversal of 55130015150 is 5151003155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55130015153) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 67796 + ... + 338904.

It is an arithmetic number, because the mean of its divisors is an integer number (1676679795).

Almost surely, 255130015150 is an apocalyptic number.

55130015150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55130015150 is an abundant number, since it is smaller than the sum of its proper divisors (65590930090).

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

55130015150 is a wasteful number, since it uses less digits than its factorization.

55130015150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271218 (or 271206 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 26.

The spelling of 55130015150 in words is "fifty-five billion, one hundred thirty million, fifteen thousand, one hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 49 50 70 83 98 166 175 245 350 415 490 581 830 1162 1225 2075 2450 2905 4067 4150 5810 8134 14525 20335 29050 40670 101675 203350 271109 542218 1355545 1897763 2711090 3795526 6777725 9488815 13284341 13555450 18977630 22502047 26568682 45004094 47444075 66421705 94888150 112510235 132843410 157514329 225020470 315028658 332108525 562551175 664217050 787571645 1102600303 1125102350 1575143290 2205200606 3937858225 5513001515 7875716450 11026003030 27565007575 55130015150