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100500142 = 250250071
BaseRepresentation
bin1011111110110…
…00001010101110
321000002221021111
411333120022232
5201212001032
613550022234
72330144221
oct577301256
9230087244
10100500142
1151803276
12297a797a
1317a8a352
14d4c15b8
158c52c47
hex5fd82ae

100500142 has 4 divisors (see below), whose sum is σ = 150750216. Its totient is φ = 50250070.

The previous prime is 100500131. The next prime is 100500157. The reversal of 100500142 is 241005001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241005001 = 1163207227.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25125034 + ... + 25125037.

It is an arithmetic number, because the mean of its divisors is an integer number (37687554).

Almost surely, 2100500142 is an apocalyptic number.

100500142 is a deficient number, since it is larger than the sum of its proper divisors (50250074).

100500142 is an equidigital number, since it uses as much as digits as its factorization.

100500142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50250073.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 100500142 is about 10024.9759101955. The cubic root of 100500142 is about 464.9314147120.

Adding to 100500142 its reverse (241005001), we get a palindrome (341505143).

The spelling of 100500142 in words is "one hundred million, five hundred thousand, one hundred forty-two".

Divisors: 1 2 50250071 100500142