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2554542768 = 243672932711
BaseRepresentation
bin1001100001000011…
…0011101010110000
320121000211012220010
42120100303222300
520212430332033
61101252414520
7120206153361
oct23020635260
96530735803
102554542768
1110a0a77878
125b3617440
1331931848b
141a33abb68
15ee401863
hex98433ab0

2554542768 has 80 divisors (see below), whose sum is σ = 6723069696. Its totient is φ = 835633920.

The previous prime is 2554542763. The next prime is 2554542787. The reversal of 2554542768 is 8672454552.

It is a super-2 number, since 2×25545427682 = 13051377507082203648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (2554542763) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 940933 + ... + 943643.

Almost surely, 22554542768 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 2554542768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3361534848).

2554542768 is an abundant number, since it is smaller than the sum of its proper divisors (4168526928).

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

2554542768 is a wasteful number, since it uses less digits than its factorization.

2554542768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3082 (or 3076 counting only the distinct ones).

The product of its digits is 2688000, while the sum is 48.

The square root of 2554542768 is about 50542.4847826064. The cubic root of 2554542768 is about 1367.0080100250.

The spelling of 2554542768 in words is "two billion, five hundred fifty-four million, five hundred forty-two thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 67 134 201 268 293 402 536 586 804 879 1072 1172 1608 1758 2344 2711 3216 3516 4688 5422 7032 8133 10844 14064 16266 19631 21688 32532 39262 43376 58893 65064 78524 117786 130128 157048 181637 235572 314096 363274 471144 544911 726548 794323 942288 1089822 1453096 1588646 2179644 2382969 2906192 3177292 4359288 4765938 6354584 8718576 9531876 12709168 19063752 38127504 53219641 106439282 159658923 212878564 319317846 425757128 638635692 851514256 1277271384 2554542768