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101020331120 = 2453593517421
BaseRepresentation
bin101111000010101000…
…1111110110001110000
3100122202021120112102012
41132011101332301300
53123342201043440
6114224052142052
710204243434542
oct1360521766160
9318667515365
10101020331120
113992a385a65
12176b3607928
1396ac017977
144c64781692
152963ad4e65
hex178547ec70

101020331120 has 40 divisors (see below), whose sum is σ = 235526577120. Its totient is φ = 40295563520.

The previous prime is 101020331117. The next prime is 101020331231. The reversal of 101020331120 is 21133020101.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 101020331095 and 101020331104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1729991 + ... + 1787430.

It is an arithmetic number, because the mean of its divisors is an integer number (5888164428).

Almost surely, 2101020331120 is an apocalyptic number.

101020331120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101020331120 is an abundant number, since it is smaller than the sum of its proper divisors (134506246000).

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

101020331120 is a wasteful number, since it uses less digits than its factorization.

101020331120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3517793 (or 3517787 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 101020331120 its reverse (21133020101), we get a palindrome (122153351221).

The spelling of 101020331120 in words is "one hundred one billion, twenty million, three hundred thirty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 359 718 1436 1795 2872 3590 5744 7180 14360 28720 3517421 7034842 14069684 17587105 28139368 35174210 56278736 70348420 140696840 281393680 1262754139 2525508278 5051016556 6313770695 10102033112 12627541390 20204066224 25255082780 50510165560 101020331120