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99988764101 = 997208148193
BaseRepresentation
bin101110100011111001…
…0110111010111000101
3100120002101111111111022
41131013302313113011
53114234110422401
6113533442120525
710136546320532
oct1350762672705
9316071444438
1099988764101
1139450061436
1217466050145
1395763a7495
144ba7777d89
15290326a71b
hex1747cb75c5

99988764101 has 8 divisors (see below), whose sum is σ = 100139228184. Its totient is φ = 99838402560.

The previous prime is 99988764079. The next prime is 99988764107. The reversal of 99988764101 is 10146788999.

It is a Cunningham number, because it is equal to 3162102+1.

It can be written as a sum of positive squares in 4 ways, for example, as 37888622500 + 62100141601 = 194650^2 + 249199^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-99988764101 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 (99988764107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2050661 + ... + 2098853.

It is an arithmetic number, because the mean of its divisors is an integer number (12517403523).

Almost surely, 299988764101 is an apocalyptic number.

It is an amenable number.

99988764101 is a deficient number, since it is larger than the sum of its proper divisors (150464083).

99988764101 is a wasteful number, since it uses less digits than its factorization.

99988764101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51271.

The product of its (nonzero) digits is 7838208, while the sum is 62.

The spelling of 99988764101 in words is "ninety-nine billion, nine hundred eighty-eight million, seven hundred sixty-four thousand, one hundred one".

Divisors: 1 997 2081 48193 2074757 48048421 100289633 99988764101