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101120023291 = 7191847411641
BaseRepresentation
bin101111000101100111…
…0010001101011111011
3100200000020011102100211
41132023032101223323
53124043211221131
6114242013011551
710206564005350
oct1361316215373
9320006142324
10101120023291
1139980687191
1217720a83bb7
1396c6881311
144c73ad2627
15296c7285b1
hex178b391afb

101120023291 has 16 divisors (see below), whose sum is σ = 121714306560. Its totient is φ = 82067843520.

The previous prime is 101120023231. The next prime is 101120023313. The reversal of 101120023291 is 192320021101.

It is a cyclic number.

It is not a de Polignac number, because 101120023291 - 219 = 101119499003 is a prime.

It is a super-2 number, since 2×1011200232912 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101120023201) 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, 39831 + ... + 451471.

It is an arithmetic number, because the mean of its divisors is an integer number (7607144160).

Almost surely, 2101120023291 is an apocalyptic number.

101120023291 is a deficient number, since it is larger than the sum of its proper divisors (20594283269).

101120023291 is a wasteful number, since it uses less digits than its factorization.

101120023291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413514.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 101120023291 its reverse (192320021101), we get a palindrome (293440044392).

The spelling of 101120023291 in words is "one hundred one billion, one hundred twenty million, twenty-three thousand, two hundred ninety-one".

Divisors: 1 7 19 133 1847 12929 35093 245651 411641 2881487 7821179 54748253 760300927 5322106489 14445717613 101120023291