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1880122140 = 223251317151313
BaseRepresentation
bin111000000010000…
…0110001100011100
311212000210002201100
41300010012030130
512322302402030
6510321313100
764406526441
oct16004061434
94760702640
101880122140
11885309656
12445795790
1323c693c10
1413b9b19c8
15b00d3360
hex7010631c

1880122140 has 288 divisors, whose sum is σ = 6566990976. Its totient is φ = 431308800.

The previous prime is 1880122133. The next prime is 1880122151. The reversal of 1880122140 is 412210881.

It is a super-2 number, since 2×18801221402 = 7069718522636359200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6006624 + ... + 6006936.

It is an arithmetic number, because the mean of its divisors is an integer number (22802052).

Almost surely, 21880122140 is an apocalyptic number.

1880122140 is a gapful number since it is divisible by the number (10) 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 1880122140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3283495488).

1880122140 is an abundant number, since it is smaller than the sum of its proper divisors (4686868836).

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

1880122140 is a wasteful number, since it uses less digits than its factorization.

1880122140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 1880122140 is about 43360.3752290037. The cubic root of 1880122140 is about 1234.2278858718.

The spelling of 1880122140 in words is "one billion, eight hundred eighty million, one hundred twenty-two thousand, one hundred forty".