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2101010220108 = 2232313821227111
BaseRepresentation
bin11110100100101101111…
…101111100010001001100
321102212002000101200200100
4132210231331330101030
5233410332104020413
64245105112331100
7304535664131502
oct36445575742114
97385060350610
102101010220108
11740040550238
1229b2340a3a90
1312318044ba97
1473991b5c672
15399bac66a73
hex1e92df7c44c

2101010220108 has 72 divisors (see below), whose sum is σ = 5334367592736. Its totient is φ = 697245868800.

The previous prime is 2101010220107. The next prime is 2101010220119. The reversal of 2101010220108 is 8010220101012.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2101010220107) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 9137473 + ... + 9364583.

It is an arithmetic number, because the mean of its divisors is an integer number (74088438788).

Almost surely, 22101010220108 is an apocalyptic number.

It is an amenable number.

2101010220108 is an abundant number, since it is smaller than the sum of its proper divisors (3233357372628).

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

2101010220108 is a wasteful number, since it uses less digits than its factorization.

2101010220108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228255 (or 228250 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The spelling of 2101010220108 in words is "two trillion, one hundred one billion, ten million, two hundred twenty thousand, one hundred eight".

Divisors: 1 2 3 4 6 9 12 18 36 313 626 821 939 1252 1642 1878 2463 2817 3284 3756 4926 5634 7389 9852 11268 14778 29556 227111 256973 454222 513946 681333 770919 908444 1027892 1362666 1541838 2043999 2312757 2725332 3083676 4087998 4625514 8175996 9251028 71085743 142171486 186458131 213257229 284342972 372916262 426514458 559374393 639771687 745832524 853028916 1118748786 1279543374 1678123179 2237497572 2559086748 3356246358 6712492716 58361395003 116722790006 175084185009 233445580012 350168370018 525252555027 700336740036 1050505110054 2101010220108