Search a number
-
+
32113130021 = 737859144341
BaseRepresentation
bin11101111010000101…
…110111101000100101
310001220000112000210222
4131322011313220211
51011231430130041
622430315454125
72214536046530
oct357205675045
9101800460728
1032113130021
111268a02a985
126282757345
13304a0cc3ab
1417a8d51a17
15c7e3d674b
hex77a177a25

32113130021 has 16 divisors (see below), whose sum is σ = 37736772480. Its totient is φ = 26750243520.

The previous prime is 32113129987. The next prime is 32113130029. The reversal of 32113130021 is 12003131123.

It is a de Polignac number, because none of the positive numbers 2k-32113130021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32113130029) 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, 150311 + ... + 294651.

It is an arithmetic number, because the mean of its divisors is an integer number (2358548280).

Almost surely, 232113130021 is an apocalyptic number.

It is an amenable number.

32113130021 is a deficient number, since it is larger than the sum of its proper divisors (5623642459).

32113130021 is a wasteful number, since it uses less digits than its factorization.

32113130021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145244.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 32113130021 its reverse (12003131123), we get a palindrome (44116261144).

The spelling of 32113130021 in words is "thirty-two billion, one hundred thirteen million, one hundred thirty thousand, twenty-one".

Divisors: 1 7 37 259 859 6013 31783 144341 222481 1010387 5340617 37384319 123988919 867922433 4587590003 32113130021