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147247669631 = 1943189179441
BaseRepresentation
bin1000100100100010100…
…1010010000101111111
3112002001221110122101202
42021020221102011333
54403030400412011
6151351124330115
713431635353316
oct2111051220577
9462057418352
10147247669631
11574a151a657
1224654b4393b
1310b682a29ca
1471ac01927d
153c6c15e23b
hex2248a5217f

147247669631 has 8 divisors (see below), whose sum is σ = 155001999600. Its totient is φ = 139493784960.

The previous prime is 147247669553. The next prime is 147247669633. The reversal of 147247669631 is 136966742741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-147247669631 is a prime.

It is a super-2 number, since 2×1472476696312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147247669633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 730871 + ... + 910311.

It is an arithmetic number, because the mean of its divisors is an integer number (19375249950).

Almost surely, 2147247669631 is an apocalyptic number.

147247669631 is a deficient number, since it is larger than the sum of its proper divisors (7754329969).

147247669631 is a wasteful number, since it uses less digits than its factorization.

147247669631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222649.

The product of its digits is 9144576, while the sum is 56.

The spelling of 147247669631 in words is "one hundred forty-seven billion, two hundred forty-seven million, six hundred sixty-nine thousand, six hundred thirty-one".

Divisors: 1 19 43189 179441 820591 3409379 7749877349 147247669631