Search a number
-
+
1439272928972 = 221947402931951
BaseRepresentation
bin10100111100011011010…
…110100000011011001100
312002121000101221022000202
4110330123112200123030
5142040112332211342
63021105353513032
7205661345020154
oct24743326403314
95077011838022
101439272928972
1150543505708a
121b2b35712778
13a595215c298
144d9383d3764
152768adc8332
hex14f1b5a06cc

1439272928972 has 24 divisors (see below), whose sum is σ = 2707702717440. Its totient is φ = 667255309200.

The previous prime is 1439272928923. The next prime is 1439272929001. The reversal of 1439272928972 is 2798292729341.

It is a junction number, because it is equal to n+sod(n) for n = 1439272928899 and 1439272928908.

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, 201462404 + ... + 201469547.

It is an arithmetic number, because the mean of its divisors is an integer number (112820946560).

Almost surely, 21439272928972 is an apocalyptic number.

It is an amenable number.

1439272928972 is a deficient number, since it is larger than the sum of its proper divisors (1268429788468).

1439272928972 is a wasteful number, since it uses less digits than its factorization.

1439272928972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402932021 (or 402932019 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 65.

The spelling of 1439272928972 in words is "one trillion, four hundred thirty-nine billion, two hundred seventy-two million, nine hundred twenty-eight thousand, nine hundred seventy-two".

Divisors: 1 2 4 19 38 47 76 94 188 893 1786 3572 402931951 805863902 1611727804 7655707069 15311414138 18937801697 30622828276 37875603394 75751206788 359818232243 719636464486 1439272928972