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48628720679 = 7211317433917
BaseRepresentation
bin101101010010011111…
…110110010000100111
311122112000111222000212
4231102133312100213
51244042423030204
634201214130035
73341031206600
oct552237662047
9148460458025
1048628720679
1119694710660
1295117b091b
13477c938b46
1424d4576da7
1513e92c4c6e
hexb527f6427

48628720679 has 48 divisors (see below), whose sum is σ = 63803344896. Its totient is φ = 36611467200.

The previous prime is 48628720663. The next prime is 48628720681. The reversal of 48628720679 is 97602782684.

It is not a de Polignac number, because 48628720679 - 24 = 48628720663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48628720279) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12412829 + ... + 12416745.

It is an arithmetic number, because the mean of its divisors is an integer number (1329236352).

Almost surely, 248628720679 is an apocalyptic number.

48628720679 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

48628720679 is a deficient number, since it is larger than the sum of its proper divisors (15174624217).

48628720679 is a wasteful number, since it uses less digits than its factorization.

48628720679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4716 (or 4709 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 59.

The spelling of 48628720679 in words is "forty-eight billion, six hundred twenty-eight million, seven hundred twenty thousand, six hundred seventy-nine".

Divisors: 1 7 11 31 49 77 217 341 539 743 1519 2387 3917 5201 8173 16709 23033 27419 36407 43087 57211 121427 161231 191933 253363 301609 400477 849989 1128617 1335697 1773541 2111263 2910331 5949923 9349879 12414787 20372317 32013641 65449153 90220261 142606219 224095487 631541827 992422871 1568668409 4420792789 6946960097 48628720679