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101111077740 = 22357921331451
BaseRepresentation
bin101111000101010110…
…0001001101101101100
3100122222121022221101010
41132022230021231230
53124033413441430
6114241053145220
710206424660131
oct1361254115554
9318877287333
10101111077740
1139976627272
1217719a8b210
1396c4a6b6aa
144c72844588
15296ba5ccb0
hex178ab09b6c

101111077740 has 48 divisors (see below), whose sum is σ = 286694714880. Its totient is φ = 26621649600.

The previous prime is 101111077733. The next prime is 101111077751. The reversal of 101111077740 is 47770111101.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 101111077698 and 101111077707.

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 15 ways as a sum of consecutive naturals, for example, 10660986 + ... + 10670465.

It is an arithmetic number, because the mean of its divisors is an integer number (5972806560).

Almost surely, 2101111077740 is an apocalyptic number.

101111077740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101111077740 is an abundant number, since it is smaller than the sum of its proper divisors (185583637140).

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

101111077740 is a wasteful number, since it uses less digits than its factorization.

101111077740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21331542 (or 21331540 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 30.

Adding to 101111077740 its reverse (47770111101), we get a palindrome (148881188841).

The spelling of 101111077740 in words is "one hundred one billion, one hundred eleven million, seventy-seven thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 79 158 237 316 395 474 790 948 1185 1580 2370 4740 21331451 42662902 63994353 85325804 106657255 127988706 213314510 255977412 319971765 426629020 639943530 1279887060 1685184629 3370369258 5055553887 6740738516 8425923145 10111107774 16851846290 20222215548 25277769435 33703692580 50555538870 101111077740