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5015120101550 = 252139743791909
BaseRepresentation
bin100100011111010110001…
…1100111100000010101110
3122202102220100020212110022
41020332230130330002232
51124131431221222200
614355525300442142
71025221231334636
oct110765434740256
918672810225408
105015120101550
11166399a60a659
1268bb696a9352
132a4c01771510
14134a399116c6
158a6c4d5b885
hex48fac73c0ae

5015120101550 has 48 divisors (see below), whose sum is σ = 10046715094080. Its totient is φ = 1851544256640.

The previous prime is 5015120101483. The next prime is 5015120101559. The reversal of 5015120101550 is 551010215105.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5015120101559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5936996 + ... + 6728904.

It is an arithmetic number, because the mean of its divisors is an integer number (209306564460).

Almost surely, 25015120101550 is an apocalyptic number.

5015120101550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5015120101550 is an abundant number, since it is smaller than the sum of its proper divisors (5031594992530).

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

5015120101550 is a wasteful number, since it uses less digits than its factorization.

5015120101550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801677 (or 801672 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 26.

Adding to 5015120101550 its reverse (551010215105), we get a palindrome (5566130316655).

The spelling of 5015120101550 in words is "five trillion, fifteen billion, one hundred twenty million, one hundred one thousand, five hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 9743 19486 48715 97430 126659 243575 253318 487150 633295 791909 1266590 1583818 3166475 3959545 6332950 7919090 10294817 19797725 20589634 39595450 51474085 102948170 257370425 514740850 7715569387 15431138774 38577846935 77155693870 100302402031 192889234675 200604804062 385778469350 501512010155 1003024020310 2507560050775 5015120101550