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105151241450 = 2522103024829
BaseRepresentation
bin110000111101110000…
…0001001110011101010
3101001102011121112002002
41201323200021303222
53210322204211300
6120150020011002
710411513543103
oct1417340116352
9331364545062
10105151241450
114065a153042
1218466b30a62
139bb9ab32c8
1451372513aa
152b065b85d5
hex187b809cea

105151241450 has 12 divisors (see below), whose sum is σ = 195581309190. Its totient is φ = 42060496560.

The previous prime is 105151241353. The next prime is 105151241497. The reversal of 105151241450 is 54142151501.

It can be written as a sum of positive squares in 3 ways, for example, as 76926905449 + 28224336001 = 277357^2 + 168001^2 .

It is a super-2 number, since 2×1051512414502 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1051512365 + ... + 1051512464.

Almost surely, 2105151241450 is an apocalyptic number.

105151241450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105151241450 is a deficient number, since it is larger than the sum of its proper divisors (90430067740).

105151241450 is a wasteful number, since it uses less digits than its factorization.

105151241450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103024841 (or 2103024836 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 29.

Adding to 105151241450 its reverse (54142151501), we get a palindrome (159293392951).

The spelling of 105151241450 in words is "one hundred five billion, one hundred fifty-one million, two hundred forty-one thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 2103024829 4206049658 10515124145 21030248290 52575620725 105151241450