Search a number
-
+
51701475828380 = 2257369296255917
BaseRepresentation
bin10111100000101101100000…
…00110011110001010011100
320210001121112202002221022012
423300112300012132022130
523234034110303002010
6301543155145210352
713614210524346260
oct1360266006361234
9223047482087265
1051701475828380
1115523522283354
1259701137909b8
1322b0574b36881
14caa516d660a0
155e9d19d01005
hex2f05b019e29c

51701475828380 has 24 divisors (see below), whose sum is σ = 124083541988448. Its totient is φ = 17726220283968.

The previous prime is 51701475828349. The next prime is 51701475828389. The reversal of 51701475828380 is 8382857410715.

It is a super-2 number, since 2×517014758283802 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51701475828389) 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, 184648127819 + ... + 184648128098.

It is an arithmetic number, because the mean of its divisors is an integer number (5170147582852).

Almost surely, 251701475828380 is an apocalyptic number.

It is an amenable number.

51701475828380 is an abundant number, since it is smaller than the sum of its proper divisors (72382066160068).

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

51701475828380 is a wasteful number, since it uses less digits than its factorization.

51701475828380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369296255933 (or 369296255931 counting only the distinct ones).

The product of its (nonzero) digits is 15052800, while the sum is 59.

The spelling of 51701475828380 in words is "fifty-one trillion, seven hundred one billion, four hundred seventy-five million, eight hundred twenty-eight thousand, three hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 369296255917 738592511834 1477185023668 1846481279585 2585073791419 3692962559170 5170147582838 7385925118340 10340295165676 12925368957095 25850737914190 51701475828380