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101147047740 = 22325561928043
BaseRepresentation
bin101111000110011010…
…1010111011100111100
3100200002010000101221100
41132030311113130330
53124122121011430
6114244420133100
710210342502004
oct1361465273474
9320063011840
10101147047740
1139994965042
1217729b37190
1396cc353b0b
144c77529004
15296ecb5960
hex178cd5773c

101147047740 has 36 divisors (see below), whose sum is σ = 306812712024. Its totient is φ = 26972546016.

The previous prime is 101147047679. The next prime is 101147047747. The reversal of 101147047740 is 47740741101.

101147047740 is a `hidden beast` number, since 1 + 0 + 1 + 147 + 0 + 477 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 101147047695 and 101147047704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101147047747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280963842 + ... + 280964201.

It is an arithmetic number, because the mean of its divisors is an integer number (8522575334).

Almost surely, 2101147047740 is an apocalyptic number.

101147047740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101147047740 is an abundant number, since it is smaller than the sum of its proper divisors (205665664284).

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

101147047740 is a wasteful number, since it uses less digits than its factorization.

101147047740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561928058 (or 561928053 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

Adding to 101147047740 its reverse (47740741101), we get a palindrome (148887788841).

The spelling of 101147047740 in words is "one hundred one billion, one hundred forty-seven million, forty-seven thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 561928043 1123856086 1685784129 2247712172 2809640215 3371568258 5057352387 5619280430 6743136516 8428920645 10114704774 11238560860 16857841290 20229409548 25286761935 33715682580 50573523870 101147047740