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141981784970 = 2519497284853
BaseRepresentation
bin1000010000111011000…
…1100001101110001010
3111120110221202222122112
42010032301201232022
54311234314104340
6145120414222322
713154304155024
oct2041661415612
9446427688575
10141981784970
115523a01a563
12236254b49a2
131050932c51c
146c2c905014
153a5ebd7065
hex210ec61b8a

141981784970 has 16 divisors (see below), whose sum is σ = 255698375400. Its totient is φ = 56763566784.

The previous prime is 141981784969. The next prime is 141981785059. The reversal of 141981784970 is 79487189141.

It can be written as a sum of positive squares in 4 ways, for example, as 99951454801 + 42030330169 = 316151^2 + 205013^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3622937 + ... + 3661916.

Almost surely, 2141981784970 is an apocalyptic number.

141981784970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

141981784970 is a deficient number, since it is larger than the sum of its proper divisors (113716590430).

141981784970 is a wasteful number, since it uses less digits than its factorization.

141981784970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7286809.

The product of its (nonzero) digits is 4064256, while the sum is 59.

The spelling of 141981784970 in words is "one hundred forty-one billion, nine hundred eighty-one million, seven hundred eighty-four thousand, nine hundred seventy".

Divisors: 1 2 5 10 1949 3898 9745 19490 7284853 14569706 36424265 72848530 14198178497 28396356994 70990892485 141981784970