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2054139750 = 2375313172
BaseRepresentation
bin111101001101111…
…1010111101100110
312022011020010000000
41322123322331212
513201324433000
6535455202130
7101621620425
oct17233727546
95264203000
102054139750
11964565663
12493b16346
13269751b10
14156b4d2bc
15c0509000
hex7a6faf66

2054139750 has 384 divisors, whose sum is σ = 6597601920. Its totient is φ = 475891200.

The previous prime is 2054139719. The next prime is 2054139797. The reversal of 2054139750 is 579314502.

2054139750 is a `hidden beast` number, since 20 + 541 + 3 + 97 + 5 + 0 = 666.

It is a super-2 number, since 2×20541397502 = 8438980225060125000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 120831742 + ... + 120831758.

It is an arithmetic number, because the mean of its divisors is an integer number (17181255).

Almost surely, 22054139750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2054139750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3298800960).

2054139750 is an abundant number, since it is smaller than the sum of its proper divisors (4543462170).

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

2054139750 is an equidigital number, since it uses as much as digits as its factorization.

2054139750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 2054139750 is about 45322.6185254118. The cubic root of 2054139750 is about 1271.1886179149.

The spelling of 2054139750 in words is "two billion, fifty-four million, one hundred thirty-nine thousand, seven hundred fifty".