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2938144361900 = 22521114711815799
BaseRepresentation
bin101010110000010111000…
…011010000110110101100
3101101212212022222021202212
4222300113003100312230
5341114304424040100
610125433114305552
7422162646002546
oct52602703206654
911355768867685
102938144361900
11a33072993310
123b55227282b8
131840b1802207
14a22c7c06696
1551664147635
hex2ac170d0dac

2938144361900 has 72 divisors (see below), whose sum is σ = 6960121190400. Its totient is φ = 1067689224000.

The previous prime is 2938144361899. The next prime is 2938144361921. The reversal of 2938144361900 is 91634418392.

It is a super-2 number, since 2×29381443619002 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 710201 + ... + 2525999.

Almost surely, 22938144361900 is an apocalyptic number.

2938144361900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2938144361900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3480060595200).

2938144361900 is an abundant number, since it is smaller than the sum of its proper divisors (4021976828500).

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

2938144361900 is a wasteful number, since it uses less digits than its factorization.

2938144361900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817295 (or 1817288 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 50.

The spelling of 2938144361900 in words is "two trillion, nine hundred thirty-eight billion, one hundred forty-four million, three hundred sixty-one thousand, nine hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 1471 2942 5884 7355 14710 16181 29420 32362 36775 64724 73550 80905 147100 161810 323620 404525 809050 1618100 1815799 3631598 7263196 9078995 18157990 19973789 36315980 39947578 45394975 79895156 90789950 99868945 181579900 199737890 399475780 499344725 998689450 1997378900 2671040329 5342080658 10684161316 13355201645 26710403290 29381443619 53420806580 58762887238 66776008225 117525774476 133552016450 146907218095 267104032900 293814436190 587628872380 734536090475 1469072180950 2938144361900