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38428013032436 = 2223797140370479
BaseRepresentation
bin10001011110011001110000…
…00100001111001111110100
312001001200102022010000122002
420233030320010033033310
520014101032314014221
6213421330243554432
711044221662223116
oct1057147004171764
9161050368100562
1038428013032436
11112762575a4565
12438773398ba18
1318599911a3381
1496bcd63b13b6
15469902ac580b
hex22f33810f3f4

38428013032436 has 12 divisors (see below), whose sum is σ = 67249307065920. Its totient is φ = 19213925299320.

The previous prime is 38428013032361. The next prime is 38428013032447. The reversal of 38428013032436 is 63423031082483.

38428013032436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×384280130324364 (a number of 55 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19233356 + ... + 21137123.

It is an arithmetic number, because the mean of its divisors is an integer number (5604108922160).

Almost surely, 238428013032436 is an apocalyptic number.

It is an amenable number.

38428013032436 is a deficient number, since it is larger than the sum of its proper divisors (28821294033484).

38428013032436 is a wasteful number, since it uses less digits than its factorization.

38428013032436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40608454 (or 40608452 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 47.

The spelling of 38428013032436 in words is "thirty-eight trillion, four hundred twenty-eight billion, thirteen million, thirty-two thousand, four hundred thirty-six".

Divisors: 1 2 4 237971 475942 951884 40370479 80740958 161481916 9607003258109 19214006516218 38428013032436