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49885146940 = 22517211449307
BaseRepresentation
bin101110011101011000…
…101110111100111100
311202202120201000211211
4232131120232330330
51304131044200230
634530015454204
73414125516116
oct563530567474
9152676630754
1049885146940
111a179957272
129802527364
134920028735
1425b33943b6
15146e75942a
hexb9d62ef3c

49885146940 has 24 divisors (see below), whose sum is σ = 104819751792. Its totient is φ = 19942450560.

The previous prime is 49885146937. The next prime is 49885146947. The reversal of 49885146940 is 4964158894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49885146947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 690234 + ... + 759073.

It is an arithmetic number, because the mean of its divisors is an integer number (4367489658).

Almost surely, 249885146940 is an apocalyptic number.

It is an amenable number.

49885146940 is an abundant number, since it is smaller than the sum of its proper divisors (54934604852).

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

49885146940 is a wasteful number, since it uses less digits than its factorization.

49885146940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451037 (or 1451035 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 58.

The spelling of 49885146940 in words is "forty-nine billion, eight hundred eighty-five million, one hundred forty-six thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 1721 3442 6884 8605 17210 34420 1449307 2898614 5797228 7246535 14493070 28986140 2494257347 4988514694 9977029388 12471286735 24942573470 49885146940