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122896921088 = 29154932
BaseRepresentation
bin111001001110100111…
…0100011001000000000
3102202012220020110011002
41302131032203020000
54003143102433323
6132242535311132
711610333410324
oct1623516431000
9382186213132
10122896921088
1148136120887
121b999b1b4a8
13b78741a866
145d3bd99984
1532e4487828
hex1c9d3a3200

122896921088 has 30 divisors (see below), whose sum is σ = 245569659489. Its totient is φ = 61444494336.

The previous prime is 122896920989. The next prime is 122896921097. The reversal of 122896921088 is 880129698221.

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 2 ways, for example, as 87209177344 + 35687743744 = 295312^2 + 188912^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=247888.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7924670 + ... + 7940162.

Almost surely, 2122896921088 is an apocalyptic number.

It is an amenable number.

122896921088 is a deficient number, since it is larger than the sum of its proper divisors (122672738401).

122896921088 is an frugal number, since it uses more digits than its factorization.

122896921088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31004 (or 15495 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 56.

The spelling of 122896921088 in words is "one hundred twenty-two billion, eight hundred ninety-six million, nine hundred twenty-one thousand, eighty-eight".

Divisors: 1 2 4 8 16 32 64 128 256 512 15493 30986 61972 123944 247888 495776 991552 1983104 3966208 7932416 240033049 480066098 960132196 1920264392 3840528784 7681057568 15362115136 30724230272 61448460544 122896921088