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101202021005 = 5143314124497
BaseRepresentation
bin101111001000000011…
…1000100101010001101
3100200012221110100002012
41132100013010222031
53124230204133010
6114254102311005
710211610661631
oct1362007045215
9320187410065
10101202021005
1139a129a2298
1217744428465
13970a860a87
144c80958dc1
152974a24005
hex17901c4a8d

101202021005 has 8 divisors (see below), whose sum is σ = 121527180792. Its totient is φ = 80905113088.

The previous prime is 101202020981. The next prime is 101202021121. The reversal of 101202021005 is 500120202101.

It can be written as a sum of positive squares in 4 ways, for example, as 1862958244 + 99339062761 = 43162^2 + 315181^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 101202021005 - 28 = 101202020749 is a prime.

It is a super-2 number, since 2×1012020210052 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7055084 + ... + 7069413.

It is an arithmetic number, because the mean of its divisors is an integer number (15190897599).

Almost surely, 2101202021005 is an apocalyptic number.

It is an amenable number.

101202021005 is a deficient number, since it is larger than the sum of its proper divisors (20325159787).

101202021005 is a wasteful number, since it uses less digits than its factorization.

101202021005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14125935.

The product of its (nonzero) digits is 40, while the sum is 14.

Adding to 101202021005 its reverse (500120202101), we get a palindrome (601322223106).

The spelling of 101202021005 in words is "one hundred one billion, two hundred two million, twenty-one thousand, five".

Divisors: 1 5 1433 7165 14124497 70622485 20240404201 101202021005