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20214030140 = 2251051961657
BaseRepresentation
bin10010110100110110…
…011001111100111100
31221011202021010101222
4102310312121330330
5312344242431030
613141452452512
71313631264323
oct226466317474
957152233358
1020214030140
118633325037
123b0177a138
131ba1b34ca5
14d9a8bb0ba
157d49473e5
hex4b4d99f3c

20214030140 has 24 divisors (see below), whose sum is σ = 42489897072. Its totient is φ = 8077910400.

The previous prime is 20214030139. The next prime is 20214030163. The reversal of 20214030140 is 4103041202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459809 + ... + 501848.

It is an arithmetic number, because the mean of its divisors is an integer number (1770412378).

Almost surely, 220214030140 is an apocalyptic number.

20214030140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20214030140 is an abundant number, since it is smaller than the sum of its proper divisors (22275866932).

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

20214030140 is a wasteful number, since it uses less digits than its factorization.

20214030140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962717 (or 962715 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20214030140 its reverse (4103041202), we get a palindrome (24317071342).

The spelling of 20214030140 in words is "twenty billion, two hundred fourteen million, thirty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 1051 2102 4204 5255 10510 21020 961657 1923314 3846628 4808285 9616570 19233140 1010701507 2021403014 4042806028 5053507535 10107015070 20214030140