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1252500154140 = 223553393867973
BaseRepresentation
bin10010001110011110110…
…100111010011100011100
311102201220220000021022210
4102032132310322130130
5131010110014413030
62355220213040420
7156330056435634
oct22163664723434
94381826007283
101252500154140
11443200758a34
121828ab926110
139115830c081
144489ad096c4
15228a8cdbbb0
hex1239ed3a71c

1252500154140 has 48 divisors (see below), whose sum is σ = 3573170260128. Its totient is φ = 327698152704.

The previous prime is 1252500154121. The next prime is 1252500154153. The reversal of 1252500154140 is 414510052521.

It is a super-3 number, since 3×12525001541403 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1252500154098 and 1252500154107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196930807 + ... + 196937166.

It is an arithmetic number, because the mean of its divisors is an integer number (74441047086).

Almost surely, 21252500154140 is an apocalyptic number.

1252500154140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252500154140 is an abundant number, since it is smaller than the sum of its proper divisors (2320670105988).

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

1252500154140 is a wasteful number, since it uses less digits than its factorization.

1252500154140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393868038 (or 393868036 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The spelling of 1252500154140 in words is "one trillion, two hundred fifty-two billion, five hundred million, one hundred fifty-four thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 53 60 106 159 212 265 318 530 636 795 1060 1590 3180 393867973 787735946 1181603919 1575471892 1969339865 2363207838 3938679730 4726415676 5908019595 7877359460 11816039190 20875002569 23632078380 41750005138 62625007707 83500010276 104375012845 125250015414 208750025690 250500030828 313125038535 417500051380 626250077070 1252500154140