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94137431388 = 22371113171921277
BaseRepresentation
bin101011110101100000…
…1110011010101011100
322222222121011222222220
41113223001303111130
53020243140301023
6111125055505340
76541545651510
oct1275301632534
9288877158886
1094137431388
1136a18142580
12162b2528250
138b53061b30
1447b05c8140
1526ae6ec3e3
hex15eb07355c

94137431388 has 576 divisors, whose sum is σ = 329826567168. Its totient is φ = 20108943360.

The previous prime is 94137431387. The next prime is 94137431389. The reversal of 94137431388 is 88313473149.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (94137431387) and next prime (94137431389).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 94137431388.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94137431387) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 73717006 + ... + 73718282.

It is an arithmetic number, because the mean of its divisors is an integer number (572615568).

Almost surely, 294137431388 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 94137431388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164913283584).

94137431388 is an abundant number, since it is smaller than the sum of its proper divisors (235689135780).

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

94137431388 is a wasteful number, since it uses less digits than its factorization.

94137431388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370 (or 1349 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

It can be divided in two parts, 94137 and 431388, that added together give a palindrome (525525).

The spelling of 94137431388 in words is "ninety-four billion, one hundred thirty-seven million, four hundred thirty-one thousand, three hundred eighty-eight".