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101002102220 = 22571429716553
BaseRepresentation
bin101111000010000110…
…0011100010111001100
3100122201000021102001202
41132010030130113030
53123323014232340
6114222201325032
710203632463215
oct1360414342714
9318630242052
10101002102220
1139920065358
12176a9496778
1396a8304736
144c6219840c
1529621d3c15
hex178431c5cc

101002102220 has 48 divisors (see below), whose sum is σ = 215154854208. Its totient is φ = 39820139520.

The previous prime is 101002102211. The next prime is 101002102249. The reversal of 101002102220 is 22201200101.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6093464 + ... + 6110016.

It is an arithmetic number, because the mean of its divisors is an integer number (4482392796).

Almost surely, 2101002102220 is an apocalyptic number.

101002102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101002102220 is an abundant number, since it is smaller than the sum of its proper divisors (114152751988).

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

101002102220 is a wasteful number, since it uses less digits than its factorization.

101002102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20930 (or 20928 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 101002102220 its reverse (22201200101), we get a palindrome (123203302321).

The spelling of 101002102220 in words is "one hundred one billion, two million, one hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 4297 8594 16553 17188 21485 33106 42970 66212 82765 85940 165530 305087 331060 610174 1175263 1220348 1525435 2350526 3050870 4701052 5876315 6101740 11752630 23505260 71128241 142256482 284512964 355641205 711282410 1422564820 5050105111 10100210222 20200420444 25250525555 50501051110 101002102220