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122425395488 = 2511256232
BaseRepresentation
bin111001000000100011…
…1110100100100100000
3102201000000222110121222
41302001013310210200
54001211400123423
6132124053034212
711562546456164
oct1620107644440
9381000873558
10122425395488
1147a13a42700
121b888025968
13b710825226
145cd54d6ca4
1532b7d963c8
hex1c811f4920

122425395488 has 54 divisors (see below), whose sum is σ = 264975426387. Its totient is φ = 55638010560.

The previous prime is 122425395461. The next prime is 122425395493. The reversal of 122425395488 is 884593524221.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 61212697744 + 61212697744 = 247412^2 + 247412^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=247412.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21769445 + ... + 21775067.

Almost surely, 2122425395488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122425395488

122425395488 is an abundant number, since it is smaller than the sum of its proper divisors (142550030899).

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

122425395488 is an frugal number, since it uses more digits than its factorization.

122425395488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11278 (or 5636 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 53.

The spelling of 122425395488 in words is "one hundred twenty-two billion, four hundred twenty-five million, three hundred ninety-five thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 11 16 22 32 44 88 121 176 242 352 484 968 1936 3872 5623 11246 22492 44984 61853 89968 123706 179936 247412 494824 680383 989648 1360766 1979296 2721532 5443064 10886128 21772256 31618129 63236258 126472516 252945032 347799419 505890064 695598838 1011780128 1391197676 2782395352 3825793609 5564790704 7651587218 11129581408 15303174436 30606348872 61212697744 122425395488