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70673704448 = 297110119249
BaseRepresentation
bin100000111010001111…
…0110010011000000000
320202102101001011122012
41001310132302120000
52124214432020243
652244514432052
75051234401364
oct1016436623000
9222371034565
1070673704448
1127a77511206
1211844592628
136883baac39
1435c62a72a4
151c8983bd18
hex10747b2600

70673704448 has 80 divisors (see below), whose sum is σ = 144623556000. Its totient is φ = 34492416000.

The previous prime is 70673704391. The next prime is 70673704471. The reversal of 70673704448 is 84440737607.

It is a junction number, because it is equal to n+sod(n) for n = 70673704396 and 70673704405.

It is a congruent number.

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, 3661928 + ... + 3681176.

It is an arithmetic number, because the mean of its divisors is an integer number (1807794450).

Almost surely, 270673704448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70673704448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72311778000).

70673704448 is an abundant number, since it is smaller than the sum of its proper divisors (73949851552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70673704448 is a wasteful number, since it uses less digits than its factorization.

70673704448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19439 (or 19423 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 50.

The spelling of 70673704448 in words is "seventy billion, six hundred seventy-three million, seven hundred four thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 32 64 71 101 128 142 202 256 284 404 512 568 808 1136 1616 2272 3232 4544 6464 7171 9088 12928 14342 18176 19249 25856 28684 36352 38498 51712 57368 76996 114736 153992 229472 307984 458944 615968 917888 1231936 1366679 1835776 1944149 2463872 2733358 3671552 3888298 4927744 5466716 7776596 9855488 10933432 15553192 21866864 31106384 43733728 62212768 87467456 124425536 138034579 174934912 248851072 276069158 349869824 497702144 552138316 699739648 995404288 1104276632 2208553264 4417106528 8834213056 17668426112 35336852224 70673704448