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1925311483872 = 253372938928219
BaseRepresentation
bin11100000001000101100…
…000011100111111100000
320211001120021020010002000
4130001011200130333200
5223021014214440442
64032250442524000
7256046004410130
oct34010540347740
96731507203060
101925311483872
1168257a15a1a7
1227117ab06600
1310c72c97a02a
14692852d8ac0
1535135e91d4c
hex1c04581cfe0

1925311483872 has 384 divisors, whose sum is σ = 6656307840000. Its totient is φ = 529736288256.

The previous prime is 1925311483807. The next prime is 1925311483913. The reversal of 1925311483872 is 2783841135291.

1925311483872 is a `hidden beast` number, since 1 + 9 + 2 + 531 + 1 + 4 + 8 + 38 + 72 = 666.

It is a super-2 number, since 2×19253114838722 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68213379 + ... + 68241597.

It is an arithmetic number, because the mean of its divisors is an integer number (17334135000).

Almost surely, 21925311483872 is an apocalyptic number.

1925311483872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1925311483872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3328153920000).

1925311483872 is an abundant number, since it is smaller than the sum of its proper divisors (4730996356128).

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

1925311483872 is a wasteful number, since it uses less digits than its factorization.

1925311483872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28663 (or 28649 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The spelling of 1925311483872 in words is "one trillion, nine hundred twenty-five billion, three hundred eleven million, four hundred eighty-three thousand, eight hundred seventy-two".