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121120250002255 = 5723150459937891
BaseRepresentation
bin11011100010100010000001…
…011110011111101101001111
3120212211222112110210111112201
4123202202001132133231033
5111333413233000033010
61105333512534142331
734340435464120150
oct3342420136375517
9525758473714481
10121120250002255
113565789a589659
1211701aba7b19a7
13527778a6232aa
1421ca373ad9927
15e00937ca723a
hex6e288179fb4f

121120250002255 has 16 divisors (see below), whose sum is σ = 173329848451584. Its totient is φ = 79442847205920.

The previous prime is 121120250002253. The next prime is 121120250002277. The reversal of 121120250002255 is 552200052021121.

It is not a de Polignac number, because 121120250002255 - 21 = 121120250002253 is a prime.

It is a super-2 number, since 2×1211202500022552 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121120250002253) 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, 75229968141 + ... + 75229969750.

It is an arithmetic number, because the mean of its divisors is an integer number (10833115528224).

Almost surely, 2121120250002255 is an apocalyptic number.

121120250002255 is a deficient number, since it is larger than the sum of its proper divisors (52209598449329).

121120250002255 is a wasteful number, since it uses less digits than its factorization.

121120250002255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150459937926.

The product of its (nonzero) digits is 4000, while the sum is 28.

The spelling of 121120250002255 in words is "one hundred twenty-one trillion, one hundred twenty billion, two hundred fifty million, two thousand, two hundred fifty-five".

Divisors: 1 5 7 23 35 115 161 805 150459937891 752299689455 1053219565237 3460578571493 5266097826185 17302892857465 24224050000451 121120250002255