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2140310210420 = 225191971957649
BaseRepresentation
bin11111001001010100011…
…011100000011101110100
321120121111220021001102002
4133021110123200131310
5240031323403213140
64315124523434432
7310426611420644
oct37112433403564
97517456231362
102140310210420
11755778352678
122a6981685a18
13126aa448a715
147583d38c524
153aa1b078415
hex1f2546e0774

2140310210420 has 48 divisors (see below), whose sum is σ = 4518726912000. Its totient is φ = 851539361280.

The previous prime is 2140310210399. The next prime is 2140310210429. The reversal of 2140310210420 is 240120130412.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2140310210392 and 2140310210401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140310210429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37097756 + ... + 37155404.

It is an arithmetic number, because the mean of its divisors is an integer number (94140144000).

Almost surely, 22140310210420 is an apocalyptic number.

2140310210420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140310210420 is an abundant number, since it is smaller than the sum of its proper divisors (2378416701580).

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

2140310210420 is a wasteful number, since it uses less digits than its factorization.

2140310210420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67568 (or 67566 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2140310210420 its reverse (240120130412), we get a palindrome (2380430340832).

The spelling of 2140310210420 in words is "two trillion, one hundred forty billion, three hundred ten million, two hundred ten thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 191 382 764 955 1910 3820 9719 19438 38876 48595 57649 97190 115298 194380 230596 288245 576490 1152980 1856329 3712658 7425316 9281645 11010959 18563290 22021918 37126580 44043836 55054795 110109590 220219180 560290631 1120581262 2241162524 2801453155 5602906310 11205812620 107015510521 214031021042 428062042084 535077552605 1070155105210 2140310210420