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2031130154504 = 231122098274953
BaseRepresentation
bin11101100011101000110…
…010101001011000001000
321012011200221201112212102
4131203220302221120020
5231234223304421004
64153031024132532
7266513204311013
oct35435062513010
97164627645772
102031130154504
11713441025700
12289791467148
131196c4b07539
147044304637a
1537c7ae4711e
hex1d8e8ca9608

2031130154504 has 24 divisors (see below), whose sum is σ = 4186058533230. Its totient is φ = 923240978880.

The previous prime is 2031130154503. The next prime is 2031130154507. The reversal of 2031130154504 is 4054510311302.

It can be written as a sum of positive squares in only one way, i.e., 1416314208100 + 614815946404 = 1190090^2 + 784102^2 .

It is a super-2 number, since 2×20311301545042 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2031130154503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1049136509 + ... + 1049138444.

Almost surely, 22031130154504 is an apocalyptic number.

It is an amenable number.

2031130154504 is an abundant number, since it is smaller than the sum of its proper divisors (2154928378726).

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

2031130154504 is a wasteful number, since it uses less digits than its factorization.

2031130154504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098274981 (or 2098274966 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 2031130154504 its reverse (4054510311302), we get a palindrome (6085640465806).

The spelling of 2031130154504 in words is "two trillion, thirty-one billion, one hundred thirty million, one hundred fifty-four thousand, five hundred four".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 2098274953 4196549906 8393099812 16786199624 23081024483 46162048966 92324097932 184648195864 253891269313 507782538626 1015565077252 2031130154504