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1010111010100 = 225223946499091
BaseRepresentation
bin11101011001011110100…
…11101101010100110100
310120120021101001221211121
432230233103231110310
5113022201404310400
62052012200313324
7132656330630413
oct16545723552464
93516241057747
101010111010100
1135a427371495
12143924172844
1374339c8305a
1436c6522547a
151b41e25121a
hexeb2f4ed534

1010111010100 has 72 divisors (see below), whose sum is σ = 2201827824000. Its totient is φ = 402223046400.

The previous prime is 1010111010071. The next prime is 1010111010101. The reversal of 1010111010100 is 10101110101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010111010101) 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, 111106555 + ... + 111115645.

It is an arithmetic number, because the mean of its divisors is an integer number (30580942000).

Almost surely, 21010111010100 is an apocalyptic number.

1010111010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010111010100 is an abundant number, since it is smaller than the sum of its proper divisors (1191716813900).

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

1010111010100 is a wasteful number, since it uses less digits than its factorization.

1010111010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13993 (or 13986 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 1010111010100 its reverse (10101110101), we get a palindrome (1020212120201).

1010111010100 divided by its reverse (10101110101) gives a square (100 = 102).

It can be divided in two parts, 101011 and 1010100, that added together give a palindrome (1111111).

The spelling of 1010111010100 in words is "one trillion, ten billion, one hundred eleven million, ten thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 239 478 956 1195 2390 4649 4780 5975 9091 9298 11950 18182 18596 23245 23900 36364 45455 46490 90910 92980 116225 181820 227275 232450 454550 464900 909100 1111111 2172749 2222222 4345498 4444444 5555555 8690996 10863745 11111110 21727490 22222220 27777775 42264059 43454980 54318725 55555550 84528118 108637450 111111100 169056236 211320295 217274900 422640590 845281180 1056601475 2113202950 4226405900 10101110101 20202220202 40404440404 50505550505 101011101010 202022202020 252527752525 505055505050 1010111010100