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70648121948 = 2223767914369
BaseRepresentation
bin100000111001011110…
…1001100101001011100
320202100120220110001012
41001302331030221130
52124141404400243
652242202234352
75050504062005
oct1016275145134
9222316813035
1070648121948
1127a64028748
1211837ab59b8
13687b7c1871
1435c2b281ac
151c87486d18
hex1072f4ca5c

70648121948 has 12 divisors (see below), whose sum is σ = 129009614160. Its totient is φ = 33788232192.

The previous prime is 70648121923. The next prime is 70648121963. The reversal of 70648121948 is 84912184607.

It is a junction number, because it is equal to n+sod(n) for n = 70648121896 and 70648121905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383957093 + ... + 383957276.

It is an arithmetic number, because the mean of its divisors is an integer number (10750801180).

Almost surely, 270648121948 is an apocalyptic number.

It is an amenable number.

70648121948 is a deficient number, since it is larger than the sum of its proper divisors (58361492212).

70648121948 is a wasteful number, since it uses less digits than its factorization.

70648121948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767914396 (or 767914394 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 70648121948 in words is "seventy billion, six hundred forty-eight million, one hundred twenty-one thousand, nine hundred forty-eight".

Divisors: 1 2 4 23 46 92 767914369 1535828738 3071657476 17662030487 35324060974 70648121948