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250252112121 = 31134721854171
BaseRepresentation
bin1110100100010000110…
…0000011000011111001
3212220221111111110221020
43221010030003003321
513100004020041441
6310544135133053
724036323566344
oct3510414030371
9786844443836
10250252112121
119714987a880
1240600b14189
131a7a2390a6b
14c1800bb45b
15679a018e66
hex3a443030f9

250252112121 has 16 divisors (see below), whose sum is σ = 365052089088. Its totient is φ = 151230856400.

The previous prime is 250252112119. The next prime is 250252112141. The reversal of 250252112121 is 121211252052.

It is a cyclic number.

It is not a de Polignac number, because 250252112121 - 21 = 250252112119 is a prime.

It is a super-2 number, since 2×2502521121212 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 250252112091 and 250252112100.

It is not an unprimeable number, because it can be changed into a prime (250252112141) 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, 10915635 + ... + 10938536.

It is an arithmetic number, because the mean of its divisors is an integer number (22815755568).

Almost surely, 2250252112121 is an apocalyptic number.

It is an amenable number.

250252112121 is a deficient number, since it is larger than the sum of its proper divisors (114799976967).

250252112121 is a wasteful number, since it uses less digits than its factorization.

250252112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21854532.

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 250252112121 its reverse (121211252052), we get a palindrome (371463364173).

The spelling of 250252112121 in words is "two hundred fifty billion, two hundred fifty-two million, one hundred twelve thousand, one hundred twenty-one".

Divisors: 1 3 11 33 347 1041 3817 11451 21854171 65562513 240395881 721187643 7583397337 22750192011 83417370707 250252112121