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70142137470 = 2325779357083
BaseRepresentation
bin100000101010011001…
…1000001010001111110
320201001022210202211100
41001110303001101332
52122122341344340
652120045233530
75032121221416
oct1012463012176
9221038722740
1070142137470
1127824454059
12117165628a6
1367caa22872
143575855646
151c57d3a830
hex1054cc147e

70142137470 has 24 divisors (see below), whose sum is σ = 182369557656. Its totient is φ = 18704569968.

The previous prime is 70142137451. The next prime is 70142137477. The reversal of 70142137470 is 7473124107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70142137477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 389678452 + ... + 389678631.

It is an arithmetic number, because the mean of its divisors is an integer number (7598731569).

Almost surely, 270142137470 is an apocalyptic number.

70142137470 is an abundant number, since it is smaller than the sum of its proper divisors (112227420186).

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

70142137470 is a wasteful number, since it uses less digits than its factorization.

70142137470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779357096 (or 779357093 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The spelling of 70142137470 in words is "seventy billion, one hundred forty-two million, one hundred thirty-seven thousand, four hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 779357083 1558714166 2338071249 3896785415 4676142498 7014213747 7793570830 11690356245 14028427494 23380712490 35071068735 70142137470