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70122071900 = 22523112254729
BaseRepresentation
bin100000101001110011…
…0011110011101011100
320200222221001100001002
41001103212132131130
52122102222300100
652114051205432
75031455530256
oct1012346363534
9220887040032
1070122071900
1127814099541
121170b8a6878
1367c681864a
143572d10cd6
151c561c52d5
hex105399e75c

70122071900 has 36 divisors (see below), whose sum is σ = 152654239920. Its totient is φ = 27958627200.

The previous prime is 70122071881. The next prime is 70122071923. The reversal of 70122071900 is 917022107.

It is a super-2 number, since 2×701220719002 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1096265 + ... + 1158464.

Almost surely, 270122071900 is an apocalyptic number.

It is an amenable number.

70122071900 is an abundant number, since it is smaller than the sum of its proper divisors (82532168020).

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

70122071900 is a wasteful number, since it uses less digits than its factorization.

70122071900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255054 (or 2255047 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 29.

It can be divided in two parts, 7012207 and 1900, that added together give a palindrome (7014107).

The spelling of 70122071900 in words is "seventy billion, one hundred twenty-two million, seventy-one thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 311 622 1244 1555 3110 6220 7775 15550 31100 2254729 4509458 9018916 11273645 22547290 45094580 56368225 112736450 225472900 701220719 1402441438 2804882876 3506103595 7012207190 14024414380 17530517975 35061035950 70122071900