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48972047320 = 2357337351853
BaseRepresentation
bin101101100110111101…
…100010001111011000
311200101221112202122101
4231212331202033120
51300243321003240
634255240533144
73352400351110
oct554675421730
9150357482571
1048972047320
1119850497a89
1295a87811b4
134805ac66c1
142527dc8040
1514194e139a
hexb66f623d8

48972047320 has 64 divisors (see below), whose sum is σ = 125967885120. Its totient is φ = 16785114624.

The previous prime is 48972047297. The next prime is 48972047387. The reversal of 48972047320 is 2374027984.

It is a super-2 number, since 2×489720473202 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 918514 + ... + 970366.

It is an arithmetic number, because the mean of its divisors is an integer number (1968248205).

Almost surely, 248972047320 is an apocalyptic number.

48972047320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48972047320 is an abundant number, since it is smaller than the sum of its proper divisors (76995837800).

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

48972047320 is a wasteful number, since it uses less digits than its factorization.

48972047320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55244 (or 55240 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 48972047320 in words is "forty-eight billion, nine hundred seventy-two million, forty-seven thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 3373 6746 13492 16865 23611 26984 33730 47222 51853 67460 94444 103706 118055 134920 188888 207412 236110 259265 362971 414824 472220 518530 725942 944440 1037060 1451884 1814855 2074120 2903768 3629710 7259420 14518840 174900169 349800338 699600676 874500845 1224301183 1399201352 1749001690 2448602366 3498003380 4897204732 6121505915 6996006760 9794409464 12243011830 24486023660 48972047320