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1972103026706 = 2986051513353
BaseRepresentation
bin11100101100101010100…
…000000001100000010010
320222112100020202202212222
4130230222200001200102
5224302331333323311
64105545512021042
7262323360100301
oct34545240014022
96875306682788
101972103026706
116a040082295a
1227a259391782
13113c78aa9997
146b64387c438
1536473d17adb
hex1cb2a801812

1972103026706 has 4 divisors (see below), whose sum is σ = 2958154540062. Its totient is φ = 986051513352.

The previous prime is 1972103026693. The next prime is 1972103026769. The reversal of 1972103026706 is 6076203012791.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1087922011225 + 884181015481 = 1043035^2 + 940309^2 .

It is a super-2 number, since 2×19721030267062 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493025756675 + ... + 493025756678.

Almost surely, 21972103026706 is an apocalyptic number.

1972103026706 is a deficient number, since it is larger than the sum of its proper divisors (986051513356).

1972103026706 is an equidigital number, since it uses as much as digits as its factorization.

1972103026706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986051513355.

The product of its (nonzero) digits is 190512, while the sum is 44.

The spelling of 1972103026706 in words is "one trillion, nine hundred seventy-two billion, one hundred three million, twenty-six thousand, seven hundred six".

Divisors: 1 2 986051513353 1972103026706