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3101101312 = 28291373049
BaseRepresentation
bin1011100011010111…
…0000110100000000
322000010021021021011
42320311300310000
522322340220222
61231415210304
7136563632461
oct27065606400
98003237234
103101101312
111351544351
12726676994
133a56223ba
14215c02d68
151323b4c77
hexb8d70d00

3101101312 has 72 divisors (see below), whose sum is σ = 6452397000. Its totient is φ = 1485668352.

The previous prime is 3101101303. The next prime is 3101101327. The reversal of 3101101312 is 2131011013.

It can be written as a sum of positive squares in 4 ways, for example, as 152176896 + 2948924416 = 12336^2 + 54304^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3101101292 and 3101101301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015564 + ... + 1018612.

It is an arithmetic number, because the mean of its divisors is an integer number (89616625).

Almost surely, 23101101312 is an apocalyptic number.

3101101312 is a gapful number since it is divisible by the number (32) 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 3101101312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3226198500).

3101101312 is an abundant number, since it is smaller than the sum of its proper divisors (3351295688).

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

3101101312 is a wasteful number, since it uses less digits than its factorization.

3101101312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3231 (or 3217 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 3101101312 is about 55687.5328237838. The cubic root of 3101101312 is about 1458.2723844946.

Adding to 3101101312 its reverse (2131011013), we get a palindrome (5232112325).

The spelling of 3101101312 in words is "three billion, one hundred one million, one hundred one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 29 32 58 64 116 128 137 232 256 274 464 548 928 1096 1856 2192 3049 3712 3973 4384 6098 7424 7946 8768 12196 15892 17536 24392 31784 35072 48784 63568 88421 97568 127136 176842 195136 254272 353684 390272 417713 508544 707368 780544 835426 1017088 1414736 1670852 2829472 3341704 5658944 6683408 11317888 12113677 13366816 22635776 24227354 26733632 48454708 53467264 96909416 106934528 193818832 387637664 775275328 1550550656 3101101312