Search a number
-
+
131022021114 = 2329817741469
BaseRepresentation
bin111101000000110000…
…1010110000111111010
3110112012011001022000200
41322001201112013322
54121313114133424
6140105104343030
712315563542515
oct1720141260772
9415164038020
10131022021114
1150625573786
1221487014a76
13c48085205a
1464ad109d7c
15361c9448c9
hex1e818561fa

131022021114 has 24 divisors (see below), whose sum is σ = 283910345940. Its totient is φ = 43669499328.

The previous prime is 131022021107. The next prime is 131022021127. The reversal of 131022021114 is 411120220131.

131022021114 is a `hidden beast` number, since 1 + 310 + 220 + 21 + 114 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 131018661225 + 3359889 = 361965^2 + 1833^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194029 + ... + 547440.

Almost surely, 2131022021114 is an apocalyptic number.

131022021114 is an abundant number, since it is smaller than the sum of its proper divisors (152888324826).

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

131022021114 is a wasteful number, since it uses less digits than its factorization.

131022021114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751294 (or 751291 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 131022021114 its reverse (411120220131), we get a palindrome (542142241245).

The spelling of 131022021114 in words is "one hundred thirty-one billion, twenty-two million, twenty-one thousand, one hundred fourteen".

Divisors: 1 2 3 6 9 18 9817 19634 29451 58902 88353 176706 741469 1482938 2224407 4448814 6673221 13346442 7279001173 14558002346 21837003519 43674007038 65511010557 131022021114