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101020120311020 = 22531498732672083
BaseRepresentation
bin10110111110000010010100…
…011000101110010011101100
3111020200102120212122122201012
4112332002110120232103230
5101220103201244423040
6554504000321204352
730164314516543211
oct2676022430562354
9436612525578635
10101020120311020
112a208435365589
12b3b6461a906b8
13444a2059c1a61
141ad35854dbb08
15ba2b72619865
hex5be09462e4ec

101020120311020 has 48 divisors (see below), whose sum is σ = 219029469109248. Its totient is φ = 39096720204480.

The previous prime is 101020120311007. The next prime is 101020120311031. The reversal of 101020120311020 is 20113021020101.

It is a junction number, because it is equal to n+sod(n) for n = 101020120310986 and 101020120311004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13244102 + ... + 19427981.

It is an arithmetic number, because the mean of its divisors is an integer number (4563113939776).

Almost surely, 2101020120311020 is an apocalyptic number.

101020120311020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101020120311020 is an abundant number, since it is smaller than the sum of its proper divisors (118009348798228).

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

101020120311020 is a wasteful number, since it uses less digits than its factorization.

101020120311020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32677110 (or 32677108 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 101020120311020 its reverse (20113021020101), we get a palindrome (121133141331121).

The spelling of 101020120311020 in words is "one hundred one trillion, twenty billion, one hundred twenty million, three hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 4987 9974 19948 24935 49870 99740 154597 309194 618388 772985 1545970 3091940 32672083 65344166 130688332 163360415 326720830 653441660 1012834573 2025669146 4051338292 5064172865 10128345730 20256691460 162935677921 325871355842 651742711684 814678389605 1629356779210 3258713558420 5051006015551 10102012031102 20204024062204 25255030077755 50510060155510 101020120311020