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22750042840 = 235781250153
BaseRepresentation
bin10101001100000000…
…100001101011011000
32011201111012220211021
4111030000201223120
5333043002332330
614241244212224
71433524113340
oct251400415330
964644186737
1022750042840
1197148959a8
1244aab3a074
1321b7363115
14115b623d20
158d23d867a
hex54c021ad8

22750042840 has 32 divisors (see below), whose sum is σ = 58500110880. Its totient is φ = 7800014592.

The previous prime is 22750042807. The next prime is 22750042883. The reversal of 22750042840 is 4824005722.

It is a junction number, because it is equal to n+sod(n) for n = 22750042796 and 22750042805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40624797 + ... + 40625356.

It is an arithmetic number, because the mean of its divisors is an integer number (1828128465).

Almost surely, 222750042840 is an apocalyptic number.

22750042840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22750042840 is an abundant number, since it is smaller than the sum of its proper divisors (35750068040).

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

22750042840 is a wasteful number, since it uses less digits than its factorization.

22750042840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81250171 (or 81250167 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 34.

The spelling of 22750042840 in words is "twenty-two billion, seven hundred fifty million, forty-two thousand, eight hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 81250153 162500306 325000612 406250765 568751071 650001224 812501530 1137502142 1625003060 2275004284 2843755355 3250006120 4550008568 5687510710 11375021420 22750042840